643425804

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2203}}^1$

素因数の和:2300

約数の個数: 144

約数和(自身を含む): 1989594880

約数和(自身を除く): 1346169076

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 61, 63, 76, 84, 114, 122, 126, 133, 171, 183, 228, 244, 252, 266, 342, 366, 399, 427, 532, 549, 684, 732, 798, 854, 1098, 1159, 1197, 1281, 1596, 1708, 2196, 2203, 2318, 2394, 2562, 3477, 3843, 4406, 4636, 4788, 5124, 6609, 6954, 7686, 8113, 8812, 10431, 13218, 13908, 15372, 15421, 16226, 19827, 20862, 24339, 26436, 30842, 32452, 39654, 41724, 41857, 46263, 48678, 61684, 73017, 79308, 83714, 92526, 97356, 125571, 134383, 138789, 146034, 167428, 185052, 251142, 268766, 277578, 292068, 292999, 376713, 403149, 502284, 537532, 555156, 585998, 753426, 806298, 878997, 940681, 1171996, 1209447, 1506852, 1612596, 1757994, 1881362, 2418894, 2553277, 2636991, 2822043, 3515988, 3762724, 4837788, 5106554, 5273982, 5644086, 7659831, 8466129, 10213108, 10547964, 11288172, 15319662, 16932258, 17872939, 22979493, 30639324, 33864516, 35745878, 45958986, 53618817, 71491756, 91917972, 107237634, 160856451, 214475268, 321712902, 643425804]

約数ペア:

[(1, 643425804), (2, 321712902), (3, 214475268), (4, 160856451), (6, 107237634), (7, 91917972), (9, 71491756), (12, 53618817), (14, 45958986), (18, 35745878), (19, 33864516), (21, 30639324), (28, 22979493), (36, 17872939), (38, 16932258), (42, 15319662), (57, 11288172), (61, 10547964), (63, 10213108), (76, 8466129), (84, 7659831), (114, 5644086), (122, 5273982), (126, 5106554), (133, 4837788), (171, 3762724), (183, 3515988), (228, 2822043), (244, 2636991), (252, 2553277), (266, 2418894), (342, 1881362), (366, 1757994), (399, 1612596), (427, 1506852), (532, 1209447), (549, 1171996), (684, 940681), (732, 878997), (798, 806298), (854, 753426), (1098, 585998), (1159, 555156), (1197, 537532), (1281, 502284), (1596, 403149), (1708, 376713), (2196, 292999), (2203, 292068), (2318, 277578), (2394, 268766), (2562, 251142), (3477, 185052), (3843, 167428), (4406, 146034), (4636, 138789), (4788, 134383), (5124, 125571), (6609, 97356), (6954, 92526), (7686, 83714), (8113, 79308), (8812, 73017), (10431, 61684), (13218, 48678), (13908, 46263), (15372, 41857), (15421, 41724), (16226, 39654), (19827, 32452), (20862, 30842), (24339, 26436)]