90402988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2473}}^1$

素因数の和:2546

約数の個数: 48

約数和(自身を含む): 184263520

約数和(自身を除く): 93860532

約数列:

[1, 2, 4, 13, 19, 26, 37, 38, 52, 74, 76, 148, 247, 481, 494, 703, 962, 988, 1406, 1924, 2473, 2812, 4946, 9139, 9892, 18278, 32149, 36556, 46987, 64298, 91501, 93974, 128596, 183002, 187948, 366004, 610831, 1189513, 1221662, 1738519, 2379026, 2443324, 3477038, 4758052, 6954076, 22600747, 45201494, 90402988]

約数ペア:

[(1, 90402988), (2, 45201494), (4, 22600747), (13, 6954076), (19, 4758052), (26, 3477038), (37, 2443324), (38, 2379026), (52, 1738519), (74, 1221662), (76, 1189513), (148, 610831), (247, 366004), (481, 187948), (494, 183002), (703, 128596), (962, 93974), (988, 91501), (1406, 64298), (1924, 46987), (2473, 36556), (2812, 32149), (4946, 18278), (9139, 9892)]