28662790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 58605120

約数和(自身を除く): 29942330

約数列:

[1, 2, 5, 10, 13, 26, 37, 59, 65, 74, 101, 118, 130, 185, 202, 295, 370, 481, 505, 590, 767, 962, 1010, 1313, 1534, 2183, 2405, 2626, 3737, 3835, 4366, 4810, 5959, 6565, 7474, 7670, 10915, 11918, 13130, 18685, 21830, 28379, 29795, 37370, 48581, 56758, 59590, 77467, 97162, 141895, 154934, 220483, 242905, 283790, 387335, 440966, 485810, 774670, 1102415, 2204830, 2866279, 5732558, 14331395, 28662790]

約数ペア:

[(1, 28662790), (2, 14331395), (5, 5732558), (10, 2866279), (13, 2204830), (26, 1102415), (37, 774670), (59, 485810), (65, 440966), (74, 387335), (101, 283790), (118, 242905), (130, 220483), (185, 154934), (202, 141895), (295, 97162), (370, 77467), (481, 59590), (505, 56758), (590, 48581), (767, 37370), (962, 29795), (1010, 28379), (1313, 21830), (1534, 18685), (2183, 13130), (2405, 11918), (2626, 10915), (3737, 7670), (3835, 7474), (4366, 6565), (4810, 5959)]