42891289

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 54432000

約数和(自身を除く): 11540711

約数列:

[1, 7, 17, 41, 59, 119, 149, 287, 413, 697, 1003, 1043, 2419, 2533, 4879, 6109, 7021, 8791, 16933, 17731, 41123, 42763, 61537, 103853, 149447, 287861, 360431, 726971, 1046129, 2523017, 6127327, 42891289]

約数ペア:

[(1, 42891289), (7, 6127327), (17, 2523017), (41, 1046129), (59, 726971), (119, 360431), (149, 287861), (287, 149447), (413, 103853), (697, 61537), (1003, 42763), (1043, 41123), (2419, 17731), (2533, 16933), (4879, 8791), (6109, 7021)]