28157688

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1$

素因数の和:541

約数の個数: 96

約数和(自身を含む): 83538000

約数和(自身を除く): 55380312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 67, 72, 78, 104, 117, 134, 156, 201, 234, 268, 312, 402, 449, 468, 536, 603, 804, 871, 898, 936, 1206, 1347, 1608, 1742, 1796, 2412, 2613, 2694, 3484, 3592, 4041, 4824, 5226, 5388, 5837, 6968, 7839, 8082, 10452, 10776, 11674, 15678, 16164, 17511, 20904, 23348, 30083, 31356, 32328, 35022, 46696, 52533, 60166, 62712, 70044, 90249, 105066, 120332, 140088, 180498, 210132, 240664, 270747, 360996, 391079, 420264, 541494, 721992, 782158, 1082988, 1173237, 1564316, 2165976, 2346474, 3128632, 3519711, 4692948, 7039422, 9385896, 14078844, 28157688]

約数ペア:

[(1, 28157688), (2, 14078844), (3, 9385896), (4, 7039422), (6, 4692948), (8, 3519711), (9, 3128632), (12, 2346474), (13, 2165976), (18, 1564316), (24, 1173237), (26, 1082988), (36, 782158), (39, 721992), (52, 541494), (67, 420264), (72, 391079), (78, 360996), (104, 270747), (117, 240664), (134, 210132), (156, 180498), (201, 140088), (234, 120332), (268, 105066), (312, 90249), (402, 70044), (449, 62712), (468, 60166), (536, 52533), (603, 46696), (804, 35022), (871, 32328), (898, 31356), (936, 30083), (1206, 23348), (1347, 20904), (1608, 17511), (1742, 16164), (1796, 15678), (2412, 11674), (2613, 10776), (2694, 10452), (3484, 8082), (3592, 7839), (4041, 6968), (4824, 5837), (5226, 5388)]