1918996849

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{643}}^1$

素因数の和:795

約数の個数: 40

約数和(自身を含む): 2467658592

約数和(自身を除く): 548661743

約数列:

[1, 7, 11, 49, 77, 113, 343, 539, 643, 791, 1243, 2401, 3773, 4501, 5537, 7073, 8701, 26411, 31507, 38759, 49511, 60907, 72659, 220549, 271313, 346577, 426349, 508613, 799249, 1543843, 2426039, 2984443, 3560291, 5594743, 16982273, 24922037, 39163201, 174454259, 274142407, 1918996849]

約数ペア:

[(1, 1918996849), (7, 274142407), (11, 174454259), (49, 39163201), (77, 24922037), (113, 16982273), (343, 5594743), (539, 3560291), (643, 2984443), (791, 2426039), (1243, 1543843), (2401, 799249), (3773, 508613), (4501, 426349), (5537, 346577), (7073, 271313), (8701, 220549), (26411, 72659), (31507, 60907), (38759, 49511)]