220057537

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 297851904

約数和(自身を除く): 77794367

約数列:

[1, 7, 17, 23, 37, 41, 53, 119, 161, 259, 287, 371, 391, 629, 697, 851, 901, 943, 1219, 1517, 1961, 2173, 2737, 4403, 4879, 5957, 6307, 6601, 8533, 10619, 13727, 14467, 15211, 16031, 20723, 25789, 33337, 34891, 36941, 45103, 49979, 80401, 101269, 112217, 145061, 180523, 233359, 244237, 258587, 315721, 349853, 562807, 593147, 766751, 849643, 1366817, 1849223, 4152029, 5367257, 5947501, 9567719, 12944561, 31436791, 220057537]

約数ペア:

[(1, 220057537), (7, 31436791), (17, 12944561), (23, 9567719), (37, 5947501), (41, 5367257), (53, 4152029), (119, 1849223), (161, 1366817), (259, 849643), (287, 766751), (371, 593147), (391, 562807), (629, 349853), (697, 315721), (851, 258587), (901, 244237), (943, 233359), (1219, 180523), (1517, 145061), (1961, 112217), (2173, 101269), (2737, 80401), (4403, 49979), (4879, 45103), (5957, 36941), (6307, 34891), (6601, 33337), (8533, 25789), (10619, 20723), (13727, 16031), (14467, 15211)]