25228808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 55296000

約数和(自身を除く): 30067192

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 79, 88, 152, 158, 191, 209, 316, 382, 418, 632, 764, 836, 869, 1501, 1528, 1672, 1738, 2101, 3002, 3476, 3629, 4202, 6004, 6952, 7258, 8404, 12008, 14516, 15089, 16511, 16808, 29032, 30178, 33022, 39919, 60356, 66044, 79838, 120712, 132088, 159676, 165979, 286691, 319352, 331958, 573382, 663916, 1146764, 1327832, 2293528, 3153601, 6307202, 12614404, 25228808]

約数ペア:

[(1, 25228808), (2, 12614404), (4, 6307202), (8, 3153601), (11, 2293528), (19, 1327832), (22, 1146764), (38, 663916), (44, 573382), (76, 331958), (79, 319352), (88, 286691), (152, 165979), (158, 159676), (191, 132088), (209, 120712), (316, 79838), (382, 66044), (418, 60356), (632, 39919), (764, 33022), (836, 30178), (869, 29032), (1501, 16808), (1528, 16511), (1672, 15089), (1738, 14516), (2101, 12008), (3002, 8404), (3476, 7258), (3629, 6952), (4202, 6004)]