219961364

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1447}}^1$

素因数の和:1608

約数の個数: 48

約数和(自身を含む): 452471040

約数和(自身を除く): 232509676

約数列:

[1, 2, 4, 7, 14, 28, 61, 89, 122, 178, 244, 356, 427, 623, 854, 1246, 1447, 1708, 2492, 2894, 5429, 5788, 10129, 10858, 20258, 21716, 38003, 40516, 76006, 88267, 128783, 152012, 176534, 257566, 353068, 515132, 617869, 901481, 1235738, 1802962, 2471476, 3605924, 7855763, 15711526, 31423052, 54990341, 109980682, 219961364]

約数ペア:

[(1, 219961364), (2, 109980682), (4, 54990341), (7, 31423052), (14, 15711526), (28, 7855763), (61, 3605924), (89, 2471476), (122, 1802962), (178, 1235738), (244, 901481), (356, 617869), (427, 515132), (623, 353068), (854, 257566), (1246, 176534), (1447, 152012), (1708, 128783), (2492, 88267), (2894, 76006), (5429, 40516), (5788, 38003), (10129, 21716), (10858, 20258)]