668848312

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{719}}^1$

素因数の和:809

約数の個数: 72

約数和(自身を含む): 1426345200

約数和(自身を除く): 757496888

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 121, 124, 242, 248, 341, 484, 682, 719, 961, 968, 1364, 1438, 1922, 2728, 2876, 3751, 3844, 5752, 7502, 7688, 7909, 10571, 15004, 15818, 21142, 22289, 30008, 31636, 42284, 44578, 63272, 84568, 86999, 89156, 116281, 173998, 178312, 232562, 245179, 347996, 465124, 490358, 690959, 695992, 930248, 980716, 1381918, 1961432, 2696969, 2763836, 5393938, 5527672, 7600549, 10787876, 15201098, 21575752, 30402196, 60804392, 83606039, 167212078, 334424156, 668848312]

約数ペア:

[(1, 668848312), (2, 334424156), (4, 167212078), (8, 83606039), (11, 60804392), (22, 30402196), (31, 21575752), (44, 15201098), (62, 10787876), (88, 7600549), (121, 5527672), (124, 5393938), (242, 2763836), (248, 2696969), (341, 1961432), (484, 1381918), (682, 980716), (719, 930248), (961, 695992), (968, 690959), (1364, 490358), (1438, 465124), (1922, 347996), (2728, 245179), (2876, 232562), (3751, 178312), (3844, 173998), (5752, 116281), (7502, 89156), (7688, 86999), (7909, 84568), (10571, 63272), (15004, 44578), (15818, 42284), (21142, 31636), (22289, 30008)]