81278466

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 179097600

約数和(自身を除く): 97819134

約数列:

[1, 2, 3, 6, 19, 31, 38, 57, 62, 93, 109, 114, 186, 211, 218, 327, 422, 589, 633, 654, 1178, 1266, 1767, 2071, 3379, 3534, 4009, 4142, 6213, 6541, 6758, 8018, 10137, 12027, 12426, 13082, 19623, 20274, 22999, 24054, 39246, 45998, 64201, 68997, 124279, 128402, 137994, 192603, 248558, 372837, 385206, 436981, 712969, 745674, 873962, 1310943, 1425938, 2138907, 2621886, 4277814, 13546411, 27092822, 40639233, 81278466]

約数ペア:

[(1, 81278466), (2, 40639233), (3, 27092822), (6, 13546411), (19, 4277814), (31, 2621886), (38, 2138907), (57, 1425938), (62, 1310943), (93, 873962), (109, 745674), (114, 712969), (186, 436981), (211, 385206), (218, 372837), (327, 248558), (422, 192603), (589, 137994), (633, 128402), (654, 124279), (1178, 68997), (1266, 64201), (1767, 45998), (2071, 39246), (3379, 24054), (3534, 22999), (4009, 20274), (4142, 19623), (6213, 13082), (6541, 12426), (6758, 12027), (8018, 10137)]