78009972

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 199987200

約数和(自身を除く): 121977228

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 61, 71, 76, 79, 114, 122, 142, 158, 183, 213, 228, 237, 244, 284, 316, 366, 426, 474, 732, 852, 948, 1159, 1349, 1501, 2318, 2698, 3002, 3477, 4047, 4331, 4503, 4636, 4819, 5396, 5609, 6004, 6954, 8094, 8662, 9006, 9638, 11218, 12993, 13908, 14457, 16188, 16827, 17324, 18012, 19276, 22436, 25986, 28914, 33654, 51972, 57828, 67308, 82289, 91561, 106571, 164578, 183122, 213142, 246867, 274683, 319713, 329156, 342149, 366244, 426284, 493734, 549366, 639426, 684298, 987468, 1026447, 1098732, 1278852, 1368596, 2052894, 4105788, 6500831, 13001662, 19502493, 26003324, 39004986, 78009972]

約数ペア:

[(1, 78009972), (2, 39004986), (3, 26003324), (4, 19502493), (6, 13001662), (12, 6500831), (19, 4105788), (38, 2052894), (57, 1368596), (61, 1278852), (71, 1098732), (76, 1026447), (79, 987468), (114, 684298), (122, 639426), (142, 549366), (158, 493734), (183, 426284), (213, 366244), (228, 342149), (237, 329156), (244, 319713), (284, 274683), (316, 246867), (366, 213142), (426, 183122), (474, 164578), (732, 106571), (852, 91561), (948, 82289), (1159, 67308), (1349, 57828), (1501, 51972), (2318, 33654), (2698, 28914), (3002, 25986), (3477, 22436), (4047, 19276), (4331, 18012), (4503, 17324), (4636, 16827), (4819, 16188), (5396, 14457), (5609, 13908), (6004, 12993), (6954, 11218), (8094, 9638), (8662, 9006)]