1280498908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{2341}}^1$

素因数の和:2582

約数の個数: 48

約数和(自身を含む): 2465919904

約数和(自身を除く): 1185420996

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 157, 268, 314, 628, 871, 1742, 2041, 2341, 3484, 4082, 4682, 8164, 9364, 10519, 21038, 30433, 42076, 60866, 121732, 136747, 156847, 273494, 313694, 367537, 546988, 627388, 735074, 1470148, 2039011, 4078022, 4777981, 8156044, 9555962, 19111924, 24624979, 49249958, 98499916, 320124727, 640249454, 1280498908]

約数ペア:

[(1, 1280498908), (2, 640249454), (4, 320124727), (13, 98499916), (26, 49249958), (52, 24624979), (67, 19111924), (134, 9555962), (157, 8156044), (268, 4777981), (314, 4078022), (628, 2039011), (871, 1470148), (1742, 735074), (2041, 627388), (2341, 546988), (3484, 367537), (4082, 313694), (4682, 273494), (8164, 156847), (9364, 136747), (10519, 121732), (21038, 60866), (30433, 42076)]