1640184766

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:422

約数の個数: 96

約数和(自身を含む): 3027548160

約数和(自身を除く): 1387363394

約数列:

[1, 2, 11, 19, 22, 31, 37, 38, 62, 74, 121, 209, 242, 311, 341, 407, 418, 589, 622, 682, 703, 814, 1147, 1178, 1406, 2294, 2299, 3421, 3751, 4477, 4598, 5909, 6479, 6842, 7502, 7733, 8954, 9641, 11507, 11818, 12617, 12958, 15466, 19282, 21793, 23014, 25234, 37631, 43586, 64999, 71269, 75262, 85063, 106051, 126577, 129998, 138787, 142538, 170126, 183179, 212102, 218633, 239723, 253154, 277574, 356717, 366358, 437266, 479446, 713434, 714989, 1166561, 1392347, 1429978, 2014969, 2333122, 2404963, 2636953, 2784694, 3923887, 4029938, 4809926, 5273906, 6777623, 7847774, 13555246, 22164659, 26454593, 43162757, 44329318, 52909186, 74553853, 86325514, 149107706, 820092383, 1640184766]

約数ペア:

[(1, 1640184766), (2, 820092383), (11, 149107706), (19, 86325514), (22, 74553853), (31, 52909186), (37, 44329318), (38, 43162757), (62, 26454593), (74, 22164659), (121, 13555246), (209, 7847774), (242, 6777623), (311, 5273906), (341, 4809926), (407, 4029938), (418, 3923887), (589, 2784694), (622, 2636953), (682, 2404963), (703, 2333122), (814, 2014969), (1147, 1429978), (1178, 1392347), (1406, 1166561), (2294, 714989), (2299, 713434), (3421, 479446), (3751, 437266), (4477, 366358), (4598, 356717), (5909, 277574), (6479, 253154), (6842, 239723), (7502, 218633), (7733, 212102), (8954, 183179), (9641, 170126), (11507, 142538), (11818, 138787), (12617, 129998), (12958, 126577), (15466, 106051), (19282, 85063), (21793, 75262), (23014, 71269), (25234, 64999), (37631, 43586)]