221408

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:75

約数の個数: 48

約数和(自身を含む): 517104

約数和(自身を除く): 295696

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 37, 44, 68, 74, 88, 136, 148, 176, 187, 272, 296, 352, 374, 407, 544, 592, 629, 748, 814, 1184, 1258, 1496, 1628, 2516, 2992, 3256, 5032, 5984, 6512, 6919, 10064, 13024, 13838, 20128, 27676, 55352, 110704, 221408]

約数ペア:

[(1, 221408), (2, 110704), (4, 55352), (8, 27676), (11, 20128), (16, 13838), (17, 13024), (22, 10064), (32, 6919), (34, 6512), (37, 5984), (44, 5032), (68, 3256), (74, 2992), (88, 2516), (136, 1628), (148, 1496), (176, 1258), (187, 1184), (272, 814), (296, 748), (352, 629), (374, 592), (407, 544)]