1917223595

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{313}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 2840770560

約数和(自身を除く): 923546965

約数列:

[1, 5, 7, 19, 35, 61, 95, 133, 151, 305, 313, 427, 665, 755, 1057, 1159, 1565, 2135, 2191, 2869, 5285, 5795, 5947, 8113, 9211, 10955, 14345, 19093, 20083, 29735, 40565, 41629, 46055, 47263, 64477, 95465, 100415, 133651, 175009, 208145, 236315, 322385, 330841, 362767, 668255, 875045, 897997, 1225063, 1654205, 1813835, 2539369, 2883043, 4489985, 6125315, 6285979, 12696845, 14415215, 20181301, 31429895, 54777817, 100906505, 273889085, 383444719, 1917223595]

約数ペア:

[(1, 1917223595), (5, 383444719), (7, 273889085), (19, 100906505), (35, 54777817), (61, 31429895), (95, 20181301), (133, 14415215), (151, 12696845), (305, 6285979), (313, 6125315), (427, 4489985), (665, 2883043), (755, 2539369), (1057, 1813835), (1159, 1654205), (1565, 1225063), (2135, 897997), (2191, 875045), (2869, 668255), (5285, 362767), (5795, 330841), (5947, 322385), (8113, 236315), (9211, 208145), (10955, 175009), (14345, 133651), (19093, 100415), (20083, 95465), (29735, 64477), (40565, 47263), (41629, 46055)]