15721496945

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{21191}}^1$

素因数の和:21302

約数の個数: 64

約数和(自身を含む): 24608489472

約数和(自身を除く): 8886992527

約数列:

[1, 5, 7, 11, 35, 41, 47, 55, 77, 205, 235, 287, 329, 385, 451, 517, 1435, 1645, 1927, 2255, 2585, 3157, 3619, 9635, 13489, 15785, 18095, 21191, 21197, 67445, 105955, 105985, 148337, 148379, 233101, 741685, 741895, 868831, 995977, 1165505, 1631707, 4344155, 4979885, 6081817, 6971839, 8158535, 9557141, 10955747, 30409085, 34859195, 40835057, 47785705, 54778735, 66899987, 76690229, 204175285, 285845399, 334499935, 383451145, 449185627, 1429226995, 2245928135, 3144299389, 15721496945]

約数ペア:

[(1, 15721496945), (5, 3144299389), (7, 2245928135), (11, 1429226995), (35, 449185627), (41, 383451145), (47, 334499935), (55, 285845399), (77, 204175285), (205, 76690229), (235, 66899987), (287, 54778735), (329, 47785705), (385, 40835057), (451, 34859195), (517, 30409085), (1435, 10955747), (1645, 9557141), (1927, 8158535), (2255, 6971839), (2585, 6081817), (3157, 4979885), (3619, 4344155), (9635, 1631707), (13489, 1165505), (15785, 995977), (18095, 868831), (21191, 741895), (21197, 741685), (67445, 233101), (105955, 148379), (105985, 148337)]