643340334

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:446

約数の個数: 128

約数和(自身を含む): 1651507200

約数和(自身を除く): 1008166866

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 31, 39, 42, 62, 78, 91, 93, 182, 186, 191, 199, 217, 273, 382, 398, 403, 434, 546, 573, 597, 651, 806, 1146, 1194, 1209, 1302, 1337, 1393, 2418, 2483, 2587, 2674, 2786, 2821, 4011, 4179, 4966, 5174, 5642, 5921, 6169, 7449, 7761, 8022, 8358, 8463, 11842, 12338, 14898, 15522, 16926, 17381, 17763, 18109, 18507, 34762, 35526, 36218, 37014, 38009, 41447, 43183, 52143, 54327, 76018, 76973, 80197, 82894, 86366, 104286, 108654, 114027, 124341, 129549, 153946, 160394, 228054, 230919, 240591, 248682, 259098, 266063, 461838, 481182, 494117, 532126, 538811, 561379, 798189, 988234, 1077622, 1122758, 1178279, 1482351, 1596378, 1616433, 1684137, 2356558, 2964702, 3232866, 3368274, 3458819, 3534837, 6917638, 7069674, 8247953, 10376457, 15317627, 16495906, 20752914, 24743859, 30635254, 45952881, 49487718, 91905762, 107223389, 214446778, 321670167, 643340334]

約数ペア:

[(1, 643340334), (2, 321670167), (3, 214446778), (6, 107223389), (7, 91905762), (13, 49487718), (14, 45952881), (21, 30635254), (26, 24743859), (31, 20752914), (39, 16495906), (42, 15317627), (62, 10376457), (78, 8247953), (91, 7069674), (93, 6917638), (182, 3534837), (186, 3458819), (191, 3368274), (199, 3232866), (217, 2964702), (273, 2356558), (382, 1684137), (398, 1616433), (403, 1596378), (434, 1482351), (546, 1178279), (573, 1122758), (597, 1077622), (651, 988234), (806, 798189), (1146, 561379), (1194, 538811), (1209, 532126), (1302, 494117), (1337, 481182), (1393, 461838), (2418, 266063), (2483, 259098), (2587, 248682), (2674, 240591), (2786, 230919), (2821, 228054), (4011, 160394), (4179, 153946), (4966, 129549), (5174, 124341), (5642, 114027), (5921, 108654), (6169, 104286), (7449, 86366), (7761, 82894), (8022, 80197), (8358, 76973), (8463, 76018), (11842, 54327), (12338, 52143), (14898, 43183), (15522, 41447), (16926, 38009), (17381, 37014), (17763, 36218), (18109, 35526), (18507, 34762)]