2811978

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 6702696

約数和(自身を除く): 3890718

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 61, 78, 117, 122, 183, 197, 234, 366, 394, 549, 591, 793, 1098, 1182, 1586, 1773, 2379, 2561, 3546, 4758, 5122, 7137, 7683, 12017, 14274, 15366, 23049, 24034, 36051, 46098, 72102, 108153, 156221, 216306, 312442, 468663, 937326, 1405989, 2811978]

約数ペア:

[(1, 2811978), (2, 1405989), (3, 937326), (6, 468663), (9, 312442), (13, 216306), (18, 156221), (26, 108153), (39, 72102), (61, 46098), (78, 36051), (117, 24034), (122, 23049), (183, 15366), (197, 14274), (234, 12017), (366, 7683), (394, 7137), (549, 5122), (591, 4758), (793, 3546), (1098, 2561), (1182, 2379), (1586, 1773)]