128975392

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3407}}^1$

素因数の和:3450

約数の個数: 72

約数和(自身を含む): 314326656

約数和(自身を除く): 185351264

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 169, 182, 208, 224, 338, 364, 416, 676, 728, 1183, 1352, 1456, 2366, 2704, 2912, 3407, 4732, 5408, 6814, 9464, 13628, 18928, 23849, 27256, 37856, 44291, 47698, 54512, 88582, 95396, 109024, 177164, 190792, 310037, 354328, 381584, 575783, 620074, 708656, 763168, 1151566, 1240148, 1417312, 2303132, 2480296, 4030481, 4606264, 4960592, 8060962, 9212528, 9921184, 16121924, 18425056, 32243848, 64487696, 128975392]

約数ペア:

[(1, 128975392), (2, 64487696), (4, 32243848), (7, 18425056), (8, 16121924), (13, 9921184), (14, 9212528), (16, 8060962), (26, 4960592), (28, 4606264), (32, 4030481), (52, 2480296), (56, 2303132), (91, 1417312), (104, 1240148), (112, 1151566), (169, 763168), (182, 708656), (208, 620074), (224, 575783), (338, 381584), (364, 354328), (416, 310037), (676, 190792), (728, 177164), (1183, 109024), (1352, 95396), (1456, 88582), (2366, 54512), (2704, 47698), (2912, 44291), (3407, 37856), (4732, 27256), (5408, 23849), (6814, 18928), (9464, 13628)]