289447776215

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{83}}^2\times {\mathrm{2617}}^1$

素因数の和:2833

約数の個数: 72

約数和(自身を含む): 400886695440

約数和(自身を除く): 111438919225

約数列:

[1, 5, 13, 19, 65, 83, 95, 169, 247, 415, 845, 1079, 1235, 1577, 2617, 3211, 5395, 6889, 7885, 13085, 14027, 16055, 20501, 34021, 34445, 49723, 70135, 89557, 102505, 130891, 170105, 217211, 248615, 266513, 442273, 447785, 646399, 654455, 1086055, 1164241, 1332565, 1701583, 2211365, 2823743, 3231995, 4127009, 5821205, 8403187, 8507915, 14118715, 18028513, 20635045, 22120579, 36708659, 42015935, 53651117, 90142565, 110602895, 183543295, 234370669, 268255585, 342541747, 697464521, 1171853345, 1712708735, 3046818697, 3487322605, 4453042711, 15234093485, 22265213555, 57889555243, 289447776215]

約数ペア:

[(1, 289447776215), (5, 57889555243), (13, 22265213555), (19, 15234093485), (65, 4453042711), (83, 3487322605), (95, 3046818697), (169, 1712708735), (247, 1171853345), (415, 697464521), (845, 342541747), (1079, 268255585), (1235, 234370669), (1577, 183543295), (2617, 110602895), (3211, 90142565), (5395, 53651117), (6889, 42015935), (7885, 36708659), (13085, 22120579), (14027, 20635045), (16055, 18028513), (20501, 14118715), (34021, 8507915), (34445, 8403187), (49723, 5821205), (70135, 4127009), (89557, 3231995), (102505, 2823743), (130891, 2211365), (170105, 1701583), (217211, 1332565), (248615, 1164241), (266513, 1086055), (442273, 654455), (447785, 646399)]