81202928

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{211}}^1\times {\mathrm{359}}^1$

素因数の和:645

約数の個数: 40

約数和(自身を含む): 160882560

約数和(自身を除く): 79679632

約数列:

[1, 2, 4, 8, 16, 67, 134, 211, 268, 359, 422, 536, 718, 844, 1072, 1436, 1688, 2872, 3376, 5744, 14137, 24053, 28274, 48106, 56548, 75749, 96212, 113096, 151498, 192424, 226192, 302996, 384848, 605992, 1211984, 5075183, 10150366, 20300732, 40601464, 81202928]

約数ペア:

[(1, 81202928), (2, 40601464), (4, 20300732), (8, 10150366), (16, 5075183), (67, 1211984), (134, 605992), (211, 384848), (268, 302996), (359, 226192), (422, 192424), (536, 151498), (718, 113096), (844, 96212), (1072, 75749), (1436, 56548), (1688, 48106), (2872, 28274), (3376, 24053), (5744, 14137)]