25498988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 49459200

約数和(自身を除く): 23960212

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 79, 124, 137, 158, 274, 316, 548, 589, 1178, 1501, 2356, 2449, 2603, 3002, 4247, 4898, 5206, 6004, 8494, 9796, 10412, 10823, 16988, 21646, 43292, 46531, 80693, 93062, 161386, 186124, 205637, 322772, 335513, 411274, 671026, 822548, 1342052, 6374747, 12749494, 25498988]

約数ペア:

[(1, 25498988), (2, 12749494), (4, 6374747), (19, 1342052), (31, 822548), (38, 671026), (62, 411274), (76, 335513), (79, 322772), (124, 205637), (137, 186124), (158, 161386), (274, 93062), (316, 80693), (548, 46531), (589, 43292), (1178, 21646), (1501, 16988), (2356, 10823), (2449, 10412), (2603, 9796), (3002, 8494), (4247, 6004), (4898, 5206)]