28490904

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:585

約数の個数: 96

約数和(自身を含む): 84630000

約数和(自身を除く): 56139096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 61, 72, 78, 104, 117, 122, 156, 183, 234, 244, 312, 366, 468, 488, 499, 549, 732, 793, 936, 998, 1098, 1464, 1497, 1586, 1996, 2196, 2379, 2994, 3172, 3992, 4392, 4491, 4758, 5988, 6344, 6487, 7137, 8982, 9516, 11976, 12974, 14274, 17964, 19032, 19461, 25948, 28548, 30439, 35928, 38922, 51896, 57096, 58383, 60878, 77844, 91317, 116766, 121756, 155688, 182634, 233532, 243512, 273951, 365268, 395707, 467064, 547902, 730536, 791414, 1095804, 1187121, 1582828, 2191608, 2374242, 3165656, 3561363, 4748484, 7122726, 9496968, 14245452, 28490904]

約数ペア:

[(1, 28490904), (2, 14245452), (3, 9496968), (4, 7122726), (6, 4748484), (8, 3561363), (9, 3165656), (12, 2374242), (13, 2191608), (18, 1582828), (24, 1187121), (26, 1095804), (36, 791414), (39, 730536), (52, 547902), (61, 467064), (72, 395707), (78, 365268), (104, 273951), (117, 243512), (122, 233532), (156, 182634), (183, 155688), (234, 121756), (244, 116766), (312, 91317), (366, 77844), (468, 60878), (488, 58383), (499, 57096), (549, 51896), (732, 38922), (793, 35928), (936, 30439), (998, 28548), (1098, 25948), (1464, 19461), (1497, 19032), (1586, 17964), (1996, 14274), (2196, 12974), (2379, 11976), (2994, 9516), (3172, 8982), (3992, 7137), (4392, 6487), (4491, 6344), (4758, 5988)]