78506272

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{653}}^1$

素因数の和:710

約数の個数: 72

約数和(自身を含む): 177086196

約数和(自身を除く): 98579924

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 289, 416, 442, 544, 578, 653, 884, 1156, 1306, 1768, 2312, 2612, 3536, 3757, 4624, 5224, 7072, 7514, 8489, 9248, 10448, 11101, 15028, 16978, 20896, 22202, 30056, 33956, 44404, 60112, 67912, 88808, 120224, 135824, 144313, 177616, 188717, 271648, 288626, 355232, 377434, 577252, 754868, 1154504, 1509736, 2309008, 2453321, 3019472, 4618016, 4906642, 6038944, 9813284, 19626568, 39253136, 78506272]

約数ペア:

[(1, 78506272), (2, 39253136), (4, 19626568), (8, 9813284), (13, 6038944), (16, 4906642), (17, 4618016), (26, 3019472), (32, 2453321), (34, 2309008), (52, 1509736), (68, 1154504), (104, 754868), (136, 577252), (208, 377434), (221, 355232), (272, 288626), (289, 271648), (416, 188717), (442, 177616), (544, 144313), (578, 135824), (653, 120224), (884, 88808), (1156, 67912), (1306, 60112), (1768, 44404), (2312, 33956), (2612, 30056), (3536, 22202), (3757, 20896), (4624, 16978), (5224, 15028), (7072, 11101), (7514, 10448), (8489, 9248)]