81498318

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{653}}^1$

素因数の和:761

約数の個数: 64

約数和(自身を含む): 186845184

約数和(自身を除く): 105346866

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 61, 62, 66, 93, 122, 183, 186, 341, 366, 653, 671, 682, 1023, 1306, 1342, 1891, 1959, 2013, 2046, 3782, 3918, 4026, 5673, 7183, 11346, 14366, 20243, 20801, 21549, 39833, 40486, 41602, 43098, 60729, 62403, 79666, 119499, 121458, 124806, 222673, 238998, 438163, 445346, 668019, 876326, 1234823, 1314489, 1336038, 2469646, 2628978, 3704469, 7408938, 13583053, 27166106, 40749159, 81498318]

約数ペア:

[(1, 81498318), (2, 40749159), (3, 27166106), (6, 13583053), (11, 7408938), (22, 3704469), (31, 2628978), (33, 2469646), (61, 1336038), (62, 1314489), (66, 1234823), (93, 876326), (122, 668019), (183, 445346), (186, 438163), (341, 238998), (366, 222673), (653, 124806), (671, 121458), (682, 119499), (1023, 79666), (1306, 62403), (1342, 60729), (1891, 43098), (1959, 41602), (2013, 40486), (2046, 39833), (3782, 21549), (3918, 20801), (4026, 20243), (5673, 14366), (7183, 11346)]