1627957825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{557}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 2410580088

約数和(自身を除く): 782622263

約数列:

[1, 5, 13, 17, 23, 25, 65, 85, 115, 221, 299, 325, 391, 425, 529, 557, 575, 1105, 1495, 1955, 2645, 2785, 5083, 5525, 6877, 7241, 7475, 8993, 9469, 9775, 12811, 13225, 13925, 25415, 34385, 36205, 44965, 47345, 64055, 116909, 123097, 127075, 166543, 171925, 181025, 217787, 224825, 236725, 294653, 320275, 584545, 615485, 832715, 1088935, 1473265, 2831231, 2922725, 3077425, 3830489, 4163575, 5009101, 5444675, 7366325, 14156155, 19152445, 25045505, 65118313, 70780775, 95762225, 125227525, 325591565, 1627957825]

約数ペア:

[(1, 1627957825), (5, 325591565), (13, 125227525), (17, 95762225), (23, 70780775), (25, 65118313), (65, 25045505), (85, 19152445), (115, 14156155), (221, 7366325), (299, 5444675), (325, 5009101), (391, 4163575), (425, 3830489), (529, 3077425), (557, 2922725), (575, 2831231), (1105, 1473265), (1495, 1088935), (1955, 832715), (2645, 615485), (2785, 584545), (5083, 320275), (5525, 294653), (6877, 236725), (7241, 224825), (7475, 217787), (8993, 181025), (9469, 171925), (9775, 166543), (12811, 127075), (13225, 123097), (13925, 116909), (25415, 64055), (34385, 47345), (36205, 44965)]