28233972

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 144

約数和(自身を含む): 83411328

約数和(自身を除く): 55177356

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 43, 46, 52, 61, 69, 78, 86, 92, 117, 122, 129, 138, 156, 172, 183, 207, 234, 244, 258, 276, 299, 366, 387, 414, 468, 516, 549, 559, 598, 732, 774, 793, 828, 897, 989, 1098, 1118, 1196, 1403, 1548, 1586, 1677, 1794, 1978, 2196, 2236, 2379, 2623, 2691, 2806, 2967, 3172, 3354, 3588, 3956, 4209, 4758, 5031, 5246, 5382, 5612, 5934, 6708, 7137, 7869, 8418, 8901, 9516, 10062, 10492, 10764, 11868, 12627, 12857, 14274, 15738, 16836, 17802, 18239, 20124, 23607, 25254, 25714, 28548, 31476, 34099, 35604, 36478, 38571, 47214, 50508, 51428, 54717, 60329, 68198, 72956, 77142, 94428, 102297, 109434, 115713, 120658, 136396, 154284, 164151, 180987, 204594, 218868, 231426, 241316, 306891, 328302, 361974, 409188, 462852, 542961, 613782, 656604, 723948, 784277, 1085922, 1227564, 1568554, 2171844, 2352831, 3137108, 4705662, 7058493, 9411324, 14116986, 28233972]

約数ペア:

[(1, 28233972), (2, 14116986), (3, 9411324), (4, 7058493), (6, 4705662), (9, 3137108), (12, 2352831), (13, 2171844), (18, 1568554), (23, 1227564), (26, 1085922), (36, 784277), (39, 723948), (43, 656604), (46, 613782), (52, 542961), (61, 462852), (69, 409188), (78, 361974), (86, 328302), (92, 306891), (117, 241316), (122, 231426), (129, 218868), (138, 204594), (156, 180987), (172, 164151), (183, 154284), (207, 136396), (234, 120658), (244, 115713), (258, 109434), (276, 102297), (299, 94428), (366, 77142), (387, 72956), (414, 68198), (468, 60329), (516, 54717), (549, 51428), (559, 50508), (598, 47214), (732, 38571), (774, 36478), (793, 35604), (828, 34099), (897, 31476), (989, 28548), (1098, 25714), (1118, 25254), (1196, 23607), (1403, 20124), (1548, 18239), (1586, 17802), (1677, 16836), (1794, 15738), (1978, 14274), (2196, 12857), (2236, 12627), (2379, 11868), (2623, 10764), (2691, 10492), (2806, 10062), (2967, 9516), (3172, 8901), (3354, 8418), (3588, 7869), (3956, 7137), (4209, 6708), (4758, 5934), (5031, 5612), (5246, 5382)]