1649679738

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{21617}}^1$

素因数の和:21731

約数の個数: 64

約数和(自身を含む): 3984629760

約数和(自身を除く): 2334950022

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 79, 138, 158, 161, 237, 322, 474, 483, 553, 966, 1106, 1659, 1817, 3318, 3634, 5451, 10902, 12719, 21617, 25438, 38157, 43234, 64851, 76314, 129702, 151319, 302638, 453957, 497191, 907914, 994382, 1491573, 1707743, 2983146, 3415486, 3480337, 5123229, 6960674, 10246458, 10441011, 11954201, 20882022, 23908402, 35862603, 39278089, 71725206, 78556178, 117834267, 235668534, 274946623, 549893246, 824839869, 1649679738]

約数ペア:

[(1, 1649679738), (2, 824839869), (3, 549893246), (6, 274946623), (7, 235668534), (14, 117834267), (21, 78556178), (23, 71725206), (42, 39278089), (46, 35862603), (69, 23908402), (79, 20882022), (138, 11954201), (158, 10441011), (161, 10246458), (237, 6960674), (322, 5123229), (474, 3480337), (483, 3415486), (553, 2983146), (966, 1707743), (1106, 1491573), (1659, 994382), (1817, 907914), (3318, 497191), (3634, 453957), (5451, 302638), (10902, 151319), (12719, 129702), (21617, 76314), (25438, 64851), (38157, 43234)]