68692988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{653}}^1$

素因数の和:711

約数の個数: 72

約数和(自身を含む): 157409952

約数和(自身を除く): 88716964

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 182, 221, 238, 289, 364, 442, 476, 578, 653, 884, 1156, 1306, 1547, 2023, 2612, 3094, 3757, 4046, 4571, 6188, 7514, 8092, 8489, 9142, 11101, 15028, 16978, 18284, 22202, 26299, 33956, 44404, 52598, 59423, 77707, 105196, 118846, 144313, 155414, 188717, 237692, 288626, 310828, 377434, 577252, 754868, 1010191, 1321019, 2020382, 2453321, 2642038, 4040764, 4906642, 5284076, 9813284, 17173247, 34346494, 68692988]

約数ペア:

[(1, 68692988), (2, 34346494), (4, 17173247), (7, 9813284), (13, 5284076), (14, 4906642), (17, 4040764), (26, 2642038), (28, 2453321), (34, 2020382), (52, 1321019), (68, 1010191), (91, 754868), (119, 577252), (182, 377434), (221, 310828), (238, 288626), (289, 237692), (364, 188717), (442, 155414), (476, 144313), (578, 118846), (653, 105196), (884, 77707), (1156, 59423), (1306, 52598), (1547, 44404), (2023, 33956), (2612, 26299), (3094, 22202), (3757, 18284), (4046, 16978), (4571, 15028), (6188, 11101), (7514, 9142), (8092, 8489)]