211632784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:620

約数の個数: 80

約数和(自身を含む): 468541440

約数和(自身を除く): 256908656

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 79, 88, 124, 158, 176, 248, 316, 341, 491, 496, 632, 682, 869, 982, 1264, 1364, 1738, 1964, 2449, 2728, 3476, 3928, 4898, 5401, 5456, 6952, 7856, 9796, 10802, 13904, 15221, 19592, 21604, 26939, 30442, 38789, 39184, 43208, 53878, 60884, 77578, 86416, 107756, 121768, 155156, 167431, 215512, 243536, 310312, 334862, 426679, 431024, 620624, 669724, 853358, 1202459, 1339448, 1706716, 2404918, 2678896, 3413432, 4809836, 6826864, 9619672, 13227049, 19239344, 26454098, 52908196, 105816392, 211632784]

約数ペア:

[(1, 211632784), (2, 105816392), (4, 52908196), (8, 26454098), (11, 19239344), (16, 13227049), (22, 9619672), (31, 6826864), (44, 4809836), (62, 3413432), (79, 2678896), (88, 2404918), (124, 1706716), (158, 1339448), (176, 1202459), (248, 853358), (316, 669724), (341, 620624), (491, 431024), (496, 426679), (632, 334862), (682, 310312), (869, 243536), (982, 215512), (1264, 167431), (1364, 155156), (1738, 121768), (1964, 107756), (2449, 86416), (2728, 77578), (3476, 60884), (3928, 53878), (4898, 43208), (5401, 39184), (5456, 38789), (6952, 30442), (7856, 26939), (9796, 21604), (10802, 19592), (13904, 15221)]