28418616

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{131}}^2$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 80931240

約数和(自身を除く): 52512624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 131, 138, 184, 207, 262, 276, 393, 414, 524, 552, 786, 828, 1048, 1179, 1572, 1656, 2358, 3013, 3144, 4716, 6026, 9039, 9432, 12052, 17161, 18078, 24104, 27117, 34322, 36156, 51483, 54234, 68644, 72312, 102966, 108468, 137288, 154449, 205932, 216936, 308898, 394703, 411864, 617796, 789406, 1184109, 1235592, 1578812, 2368218, 3157624, 3552327, 4736436, 7104654, 9472872, 14209308, 28418616]

約数ペア:

[(1, 28418616), (2, 14209308), (3, 9472872), (4, 7104654), (6, 4736436), (8, 3552327), (9, 3157624), (12, 2368218), (18, 1578812), (23, 1235592), (24, 1184109), (36, 789406), (46, 617796), (69, 411864), (72, 394703), (92, 308898), (131, 216936), (138, 205932), (184, 154449), (207, 137288), (262, 108468), (276, 102966), (393, 72312), (414, 68644), (524, 54234), (552, 51483), (786, 36156), (828, 34322), (1048, 27117), (1179, 24104), (1572, 18078), (1656, 17161), (2358, 12052), (3013, 9432), (3144, 9039), (4716, 6026)]