15697972975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:457

約数の個数: 96

約数和(自身を含む): 22030589952

約数和(自身を除く): 6332616977

約数列:

[1, 5, 17, 25, 31, 47, 85, 101, 155, 235, 251, 425, 505, 527, 775, 799, 1175, 1255, 1457, 1717, 2525, 2635, 3131, 3995, 4267, 4747, 6275, 7285, 7781, 8585, 11797, 13175, 15655, 19975, 21335, 23735, 24769, 25351, 36425, 38905, 42925, 53227, 58985, 78275, 80699, 106675, 118675, 123845, 126755, 132277, 147157, 194525, 200549, 266135, 294925, 365707, 403495, 430967, 619225, 633775, 661385, 735785, 785881, 1002745, 1191497, 1330675, 1828535, 2017475, 2154835, 2501669, 3306925, 3678925, 3929405, 5013725, 5957485, 6217019, 9142675, 10774175, 12508345, 13359977, 19647025, 20255449, 29787425, 31085095, 36936407, 62541725, 66799885, 101277245, 155425475, 184682035, 333999425, 506386225, 627918919, 923410175, 3139594595, 15697972975]

約数ペア:

[(1, 15697972975), (5, 3139594595), (17, 923410175), (25, 627918919), (31, 506386225), (47, 333999425), (85, 184682035), (101, 155425475), (155, 101277245), (235, 66799885), (251, 62541725), (425, 36936407), (505, 31085095), (527, 29787425), (775, 20255449), (799, 19647025), (1175, 13359977), (1255, 12508345), (1457, 10774175), (1717, 9142675), (2525, 6217019), (2635, 5957485), (3131, 5013725), (3995, 3929405), (4267, 3678925), (4747, 3306925), (6275, 2501669), (7285, 2154835), (7781, 2017475), (8585, 1828535), (11797, 1330675), (13175, 1191497), (15655, 1002745), (19975, 785881), (21335, 735785), (23735, 661385), (24769, 633775), (25351, 619225), (36425, 430967), (38905, 403495), (42925, 365707), (53227, 294925), (58985, 266135), (78275, 200549), (80699, 194525), (106675, 147157), (118675, 132277), (123845, 126755)]