28109885375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{4751}}^1$

素因数の和:5121

約数の個数: 64

約数和(自身を含む): 41347418112

約数和(自身を除く): 13237532737

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 275, 325, 331, 715, 1375, 1625, 1655, 3575, 3641, 4303, 4751, 8275, 17875, 18205, 21515, 23755, 41375, 47333, 52261, 61763, 91025, 107575, 118775, 236665, 261305, 308815, 455125, 537875, 593875, 679393, 1183325, 1306525, 1544075, 1572581, 3396965, 5916625, 6532625, 7720375, 7862905, 16984825, 17298391, 20443553, 39314525, 84924125, 86491955, 102217765, 196572625, 224879083, 432459775, 511088825, 1124395415, 2162298875, 2555444125, 5621977075, 28109885375]

約数ペア:

[(1, 28109885375), (5, 5621977075), (11, 2555444125), (13, 2162298875), (25, 1124395415), (55, 511088825), (65, 432459775), (125, 224879083), (143, 196572625), (275, 102217765), (325, 86491955), (331, 84924125), (715, 39314525), (1375, 20443553), (1625, 17298391), (1655, 16984825), (3575, 7862905), (3641, 7720375), (4303, 6532625), (4751, 5916625), (8275, 3396965), (17875, 1572581), (18205, 1544075), (21515, 1306525), (23755, 1183325), (41375, 679393), (47333, 593875), (52261, 537875), (61763, 455125), (91025, 308815), (107575, 261305), (118775, 236665)]