991416390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{19543}}^1$

素因数の和:19661

約数の個数: 64

約数和(自身を含む): 2532902400

約数和(自身を除く): 1541486010

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 89, 95, 114, 178, 190, 267, 285, 445, 534, 570, 890, 1335, 1691, 2670, 3382, 5073, 8455, 10146, 16910, 19543, 25365, 39086, 50730, 58629, 97715, 117258, 195430, 293145, 371317, 586290, 742634, 1113951, 1739327, 1856585, 2227902, 3478654, 3713170, 5217981, 5569755, 8696635, 10435962, 11139510, 17393270, 26089905, 33047213, 52179810, 66094426, 99141639, 165236065, 198283278, 330472130, 495708195, 991416390]

約数ペア:

[(1, 991416390), (2, 495708195), (3, 330472130), (5, 198283278), (6, 165236065), (10, 99141639), (15, 66094426), (19, 52179810), (30, 33047213), (38, 26089905), (57, 17393270), (89, 11139510), (95, 10435962), (114, 8696635), (178, 5569755), (190, 5217981), (267, 3713170), (285, 3478654), (445, 2227902), (534, 1856585), (570, 1739327), (890, 1113951), (1335, 742634), (1691, 586290), (2670, 371317), (3382, 293145), (5073, 195430), (8455, 117258), (10146, 97715), (16910, 58629), (19543, 50730), (25365, 39086)]