28669956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1181}}^1$

素因数の和:1229

約数の個数: 72

約数和(自身を含む): 81283776

約数和(自身を除く): 52613820

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 289, 357, 476, 578, 714, 867, 1156, 1181, 1428, 1734, 2023, 2362, 3468, 3543, 4046, 4724, 6069, 7086, 8092, 8267, 12138, 14172, 16534, 20077, 24276, 24801, 33068, 40154, 49602, 60231, 80308, 99204, 120462, 140539, 240924, 281078, 341309, 421617, 562156, 682618, 843234, 1023927, 1365236, 1686468, 2047854, 2389163, 4095708, 4778326, 7167489, 9556652, 14334978, 28669956]

約数ペア:

[(1, 28669956), (2, 14334978), (3, 9556652), (4, 7167489), (6, 4778326), (7, 4095708), (12, 2389163), (14, 2047854), (17, 1686468), (21, 1365236), (28, 1023927), (34, 843234), (42, 682618), (51, 562156), (68, 421617), (84, 341309), (102, 281078), (119, 240924), (204, 140539), (238, 120462), (289, 99204), (357, 80308), (476, 60231), (578, 49602), (714, 40154), (867, 33068), (1156, 24801), (1181, 24276), (1428, 20077), (1734, 16534), (2023, 14172), (2362, 12138), (3468, 8267), (3543, 8092), (4046, 7086), (4724, 6069)]