138563428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{571}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 266506240

約数和(自身を除く): 127942812

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 103, 124, 206, 412, 571, 589, 1142, 1178, 1957, 2284, 2356, 3193, 3914, 6386, 7828, 10849, 12772, 17701, 21698, 35402, 43396, 58813, 60667, 70804, 117626, 121334, 235252, 242668, 336319, 672638, 1117447, 1345276, 1823203, 2234894, 3646406, 4469788, 7292812, 34640857, 69281714, 138563428]

約数ペア:

[(1, 138563428), (2, 69281714), (4, 34640857), (19, 7292812), (31, 4469788), (38, 3646406), (62, 2234894), (76, 1823203), (103, 1345276), (124, 1117447), (206, 672638), (412, 336319), (571, 242668), (589, 235252), (1142, 121334), (1178, 117626), (1957, 70804), (2284, 60667), (2356, 58813), (3193, 43396), (3914, 35402), (6386, 21698), (7828, 17701), (10849, 12772)]