251012332

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 470211840

約数和(自身を除く): 219199508

約数列:

[1, 2, 4, 31, 41, 62, 82, 97, 124, 164, 194, 388, 509, 1018, 1271, 2036, 2542, 3007, 3977, 5084, 6014, 7954, 12028, 15779, 15908, 20869, 31558, 41738, 49373, 63116, 83476, 98746, 123287, 197492, 246574, 493148, 646939, 1293878, 1530563, 2024293, 2587756, 3061126, 4048586, 6122252, 8097172, 62753083, 125506166, 251012332]

約数ペア:

[(1, 251012332), (2, 125506166), (4, 62753083), (31, 8097172), (41, 6122252), (62, 4048586), (82, 3061126), (97, 2587756), (124, 2024293), (164, 1530563), (194, 1293878), (388, 646939), (509, 493148), (1018, 246574), (1271, 197492), (2036, 123287), (2542, 98746), (3007, 83476), (3977, 63116), (5084, 49373), (6014, 41738), (7954, 31558), (12028, 20869), (15779, 15908)]