161405344

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:638

約数の個数: 72

約数和(自身を含む): 349066368

約数和(自身を除く): 187661024

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 68, 124, 136, 248, 272, 289, 496, 527, 544, 563, 578, 992, 1054, 1126, 1156, 2108, 2252, 2312, 4216, 4504, 4624, 8432, 8959, 9008, 9248, 9571, 16864, 17453, 17918, 18016, 19142, 34906, 35836, 38284, 69812, 71672, 76568, 139624, 143344, 153136, 162707, 279248, 286688, 296701, 306272, 325414, 558496, 593402, 650828, 1186804, 1301656, 2373608, 2603312, 4747216, 5043917, 5206624, 9494432, 10087834, 20175668, 40351336, 80702672, 161405344]

約数ペア:

[(1, 161405344), (2, 80702672), (4, 40351336), (8, 20175668), (16, 10087834), (17, 9494432), (31, 5206624), (32, 5043917), (34, 4747216), (62, 2603312), (68, 2373608), (124, 1301656), (136, 1186804), (248, 650828), (272, 593402), (289, 558496), (496, 325414), (527, 306272), (544, 296701), (563, 286688), (578, 279248), (992, 162707), (1054, 153136), (1126, 143344), (1156, 139624), (2108, 76568), (2252, 71672), (2312, 69812), (4216, 38284), (4504, 35836), (4624, 34906), (8432, 19142), (8959, 18016), (9008, 17918), (9248, 17453), (9571, 16864)]