15663971428

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{62207}}^1$

素因数の和:62281

約数の個数: 72

約数和(自身を含む): 34676232192

約数和(自身を除く): 19012260764

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 92, 119, 161, 238, 322, 391, 476, 529, 644, 782, 1058, 1564, 2116, 2737, 3703, 5474, 7406, 8993, 10948, 14812, 17986, 35972, 62207, 62951, 124414, 125902, 248828, 251804, 435449, 870898, 1057519, 1430761, 1741796, 2115038, 2861522, 4230076, 5723044, 7402633, 10015327, 14805266, 20030654, 24322937, 29610532, 32907503, 40061308, 48645874, 65815006, 97291748, 131630012, 170260559, 230352521, 340521118, 460705042, 559427551, 681042236, 921410084, 1118855102, 2237710204, 3915992857, 7831985714, 15663971428]

約数ペア:

[(1, 15663971428), (2, 7831985714), (4, 3915992857), (7, 2237710204), (14, 1118855102), (17, 921410084), (23, 681042236), (28, 559427551), (34, 460705042), (46, 340521118), (68, 230352521), (92, 170260559), (119, 131630012), (161, 97291748), (238, 65815006), (322, 48645874), (391, 40061308), (476, 32907503), (529, 29610532), (644, 24322937), (782, 20030654), (1058, 14805266), (1564, 10015327), (2116, 7402633), (2737, 5723044), (3703, 4230076), (5474, 2861522), (7406, 2115038), (8993, 1741796), (10948, 1430761), (14812, 1057519), (17986, 870898), (35972, 435449), (62207, 251804), (62951, 248828), (124414, 125902)]