648721128

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{2557}}^1$

素因数の和:2639

約数の個数: 96

約数和(自身を含む): 1828867680

約数和(自身を除く): 1180146552

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 31, 33, 44, 62, 66, 88, 93, 124, 132, 186, 248, 264, 341, 372, 682, 744, 961, 1023, 1364, 1922, 2046, 2557, 2728, 2883, 3844, 4092, 5114, 5766, 7671, 7688, 8184, 10228, 10571, 11532, 15342, 20456, 21142, 23064, 28127, 30684, 31713, 42284, 56254, 61368, 63426, 79267, 84381, 84568, 112508, 126852, 158534, 168762, 225016, 237801, 253704, 317068, 337524, 475602, 634136, 675048, 871937, 951204, 1743874, 1902408, 2457277, 2615811, 3487748, 4914554, 5231622, 6975496, 7371831, 9829108, 10463244, 14743662, 19658216, 20926488, 27030047, 29487324, 54060094, 58974648, 81090141, 108120188, 162180282, 216240376, 324360564, 648721128]

約数ペア:

[(1, 648721128), (2, 324360564), (3, 216240376), (4, 162180282), (6, 108120188), (8, 81090141), (11, 58974648), (12, 54060094), (22, 29487324), (24, 27030047), (31, 20926488), (33, 19658216), (44, 14743662), (62, 10463244), (66, 9829108), (88, 7371831), (93, 6975496), (124, 5231622), (132, 4914554), (186, 3487748), (248, 2615811), (264, 2457277), (341, 1902408), (372, 1743874), (682, 951204), (744, 871937), (961, 675048), (1023, 634136), (1364, 475602), (1922, 337524), (2046, 317068), (2557, 253704), (2728, 237801), (2883, 225016), (3844, 168762), (4092, 158534), (5114, 126852), (5766, 112508), (7671, 84568), (7688, 84381), (8184, 79267), (10228, 63426), (10571, 61368), (11532, 56254), (15342, 42284), (20456, 31713), (21142, 30684), (23064, 28127)]