28356948

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 75038600

約数和(自身を除く): 46681652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 61, 74, 111, 122, 148, 183, 222, 244, 333, 349, 366, 444, 549, 666, 698, 732, 1047, 1098, 1332, 1396, 2094, 2196, 2257, 3141, 4188, 4514, 6282, 6771, 9028, 12564, 12913, 13542, 20313, 21289, 25826, 27084, 38739, 40626, 42578, 51652, 63867, 77478, 81252, 85156, 116217, 127734, 154956, 191601, 232434, 255468, 383202, 464868, 766404, 787693, 1575386, 2363079, 3150772, 4726158, 7089237, 9452316, 14178474, 28356948]

約数ペア:

[(1, 28356948), (2, 14178474), (3, 9452316), (4, 7089237), (6, 4726158), (9, 3150772), (12, 2363079), (18, 1575386), (36, 787693), (37, 766404), (61, 464868), (74, 383202), (111, 255468), (122, 232434), (148, 191601), (183, 154956), (222, 127734), (244, 116217), (333, 85156), (349, 81252), (366, 77478), (444, 63867), (549, 51652), (666, 42578), (698, 40626), (732, 38739), (1047, 27084), (1098, 25826), (1332, 21289), (1396, 20313), (2094, 13542), (2196, 12913), (2257, 12564), (3141, 9028), (4188, 6771), (4514, 6282)]