72163970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1777}}^1$

素因数の和:1946

約数の個数: 32

約数和(自身を含む): 135184896

約数和(自身を除く): 63020926

約数列:

[1, 2, 5, 10, 31, 62, 131, 155, 262, 310, 655, 1310, 1777, 3554, 4061, 8122, 8885, 17770, 20305, 40610, 55087, 110174, 232787, 275435, 465574, 550870, 1163935, 2327870, 7216397, 14432794, 36081985, 72163970]

約数ペア:

[(1, 72163970), (2, 36081985), (5, 14432794), (10, 7216397), (31, 2327870), (62, 1163935), (131, 550870), (155, 465574), (262, 275435), (310, 232787), (655, 110174), (1310, 55087), (1777, 40610), (3554, 20305), (4061, 17770), (8122, 8885)]