72710768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20563}}^1$

素因数の和:20601

約数の個数: 40

約数和(自身を含む): 160645968

約数和(自身を除く): 87935200

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 20563, 41126, 82252, 164504, 267319, 329008, 349571, 534638, 699142, 1069276, 1398284, 2138552, 2796568, 4277104, 4544423, 5593136, 9088846, 18177692, 36355384, 72710768]

約数ペア:

[(1, 72710768), (2, 36355384), (4, 18177692), (8, 9088846), (13, 5593136), (16, 4544423), (17, 4277104), (26, 2796568), (34, 2138552), (52, 1398284), (68, 1069276), (104, 699142), (136, 534638), (208, 349571), (221, 329008), (272, 267319), (442, 164504), (884, 82252), (1768, 41126), (3536, 20563)]