249542405

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 380878848

約数和(自身を除く): 131336443

約数列:

[1, 5, 7, 17, 31, 35, 83, 85, 119, 155, 163, 217, 415, 527, 581, 595, 815, 1085, 1141, 1411, 2573, 2635, 2771, 2905, 3689, 5053, 5705, 7055, 9877, 12865, 13529, 13855, 18011, 18445, 19397, 25265, 35371, 43741, 49385, 67645, 85901, 90055, 94703, 96985, 176855, 218705, 229993, 306187, 419399, 429505, 473515, 601307, 1149965, 1530935, 1609951, 2096995, 2935793, 3006535, 7129783, 8049755, 14678965, 35648915, 49908481, 249542405]

約数ペア:

[(1, 249542405), (5, 49908481), (7, 35648915), (17, 14678965), (31, 8049755), (35, 7129783), (83, 3006535), (85, 2935793), (119, 2096995), (155, 1609951), (163, 1530935), (217, 1149965), (415, 601307), (527, 473515), (581, 429505), (595, 419399), (815, 306187), (1085, 229993), (1141, 218705), (1411, 176855), (2573, 96985), (2635, 94703), (2771, 90055), (2905, 85901), (3689, 67645), (5053, 49385), (5705, 43741), (7055, 35371), (9877, 25265), (12865, 19397), (13529, 18445), (13855, 18011)]