158227888

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{997}}^1$

素因数の和:1134

約数の個数: 80

約数和(自身を含む): 381156160

約数和(自身を除く): 222928272

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 109, 112, 182, 208, 218, 364, 436, 728, 763, 872, 997, 1417, 1456, 1526, 1744, 1994, 2834, 3052, 3988, 5668, 6104, 6979, 7976, 9919, 11336, 12208, 12961, 13958, 15952, 19838, 22672, 25922, 27916, 39676, 51844, 55832, 79352, 90727, 103688, 108673, 111664, 158704, 181454, 207376, 217346, 362908, 434692, 725816, 760711, 869384, 1412749, 1451632, 1521422, 1738768, 2825498, 3042844, 5650996, 6085688, 9889243, 11301992, 12171376, 19778486, 22603984, 39556972, 79113944, 158227888]

約数ペア:

[(1, 158227888), (2, 79113944), (4, 39556972), (7, 22603984), (8, 19778486), (13, 12171376), (14, 11301992), (16, 9889243), (26, 6085688), (28, 5650996), (52, 3042844), (56, 2825498), (91, 1738768), (104, 1521422), (109, 1451632), (112, 1412749), (182, 869384), (208, 760711), (218, 725816), (364, 434692), (436, 362908), (728, 217346), (763, 207376), (872, 181454), (997, 158704), (1417, 111664), (1456, 108673), (1526, 103688), (1744, 90727), (1994, 79352), (2834, 55832), (3052, 51844), (3988, 39676), (5668, 27916), (6104, 25922), (6979, 22672), (7976, 19838), (9919, 15952), (11336, 13958), (12208, 12961)]