25149388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 51408000

約数和(自身を除く): 26258612

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 67, 76, 134, 209, 268, 418, 449, 737, 836, 898, 1273, 1474, 1796, 2546, 2948, 4939, 5092, 8531, 9878, 14003, 17062, 19756, 28006, 30083, 34124, 56012, 60166, 93841, 120332, 187682, 330913, 375364, 571577, 661826, 1143154, 1323652, 2286308, 6287347, 12574694, 25149388]

約数ペア:

[(1, 25149388), (2, 12574694), (4, 6287347), (11, 2286308), (19, 1323652), (22, 1143154), (38, 661826), (44, 571577), (67, 375364), (76, 330913), (134, 187682), (209, 120332), (268, 93841), (418, 60166), (449, 56012), (737, 34124), (836, 30083), (898, 28006), (1273, 19756), (1474, 17062), (1796, 14003), (2546, 9878), (2948, 8531), (4939, 5092)]