311907428

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1\times {\mathrm{367}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 633077760

約数和(自身を除く): 321170332

約数列:

[1, 2, 4, 7, 14, 28, 127, 239, 254, 367, 478, 508, 734, 889, 956, 1468, 1673, 1778, 2569, 3346, 3556, 5138, 6692, 10276, 30353, 46609, 60706, 87713, 93218, 121412, 175426, 186436, 212471, 326263, 350852, 424942, 613991, 652526, 849884, 1227982, 1305052, 2455964, 11139551, 22279102, 44558204, 77976857, 155953714, 311907428]

約数ペア:

[(1, 311907428), (2, 155953714), (4, 77976857), (7, 44558204), (14, 22279102), (28, 11139551), (127, 2455964), (239, 1305052), (254, 1227982), (367, 849884), (478, 652526), (508, 613991), (734, 424942), (889, 350852), (956, 326263), (1468, 212471), (1673, 186436), (1778, 175426), (2569, 121412), (3346, 93218), (3556, 87713), (5138, 60706), (6692, 46609), (10276, 30353)]