42779225

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:266

約数の個数: 36

約数和(自身を含む): 58472448

約数和(自身を除く): 15693223

約数列:

[1, 5, 17, 25, 31, 85, 155, 191, 289, 425, 527, 775, 955, 1445, 2635, 3247, 4775, 5921, 7225, 8959, 13175, 16235, 29605, 44795, 55199, 81175, 100657, 148025, 223975, 275995, 503285, 1379975, 1711169, 2516425, 8555845, 42779225]

約数ペア:

[(1, 42779225), (5, 8555845), (17, 2516425), (25, 1711169), (31, 1379975), (85, 503285), (155, 275995), (191, 223975), (289, 148025), (425, 100657), (527, 81175), (775, 55199), (955, 44795), (1445, 29605), (2635, 16235), (3247, 13175), (4775, 8959), (5921, 7225)]