17487968

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 72

約数和(自身を含む): 38372544

約数和(自身を除く): 20884576

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 61, 62, 68, 122, 124, 136, 244, 248, 272, 289, 488, 496, 527, 544, 578, 976, 992, 1037, 1054, 1156, 1891, 1952, 2074, 2108, 2312, 3782, 4148, 4216, 4624, 7564, 8296, 8432, 8959, 9248, 15128, 16592, 16864, 17629, 17918, 30256, 32147, 33184, 35258, 35836, 60512, 64294, 70516, 71672, 128588, 141032, 143344, 257176, 282064, 286688, 514352, 546499, 564128, 1028704, 1092998, 2185996, 4371992, 8743984, 17487968]

約数ペア:

[(1, 17487968), (2, 8743984), (4, 4371992), (8, 2185996), (16, 1092998), (17, 1028704), (31, 564128), (32, 546499), (34, 514352), (61, 286688), (62, 282064), (68, 257176), (122, 143344), (124, 141032), (136, 128588), (244, 71672), (248, 70516), (272, 64294), (289, 60512), (488, 35836), (496, 35258), (527, 33184), (544, 32147), (578, 30256), (976, 17918), (992, 17629), (1037, 16864), (1054, 16592), (1156, 15128), (1891, 9248), (1952, 8959), (2074, 8432), (2108, 8296), (2312, 7564), (3782, 4624), (4148, 4216)]