216551678

素因数分解:

$2^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{599}}^1$

素因数の和:670

約数の個数: 64

約数和(自身を含む): 414720000

約数和(自身を除く): 198168322

約数列:

[1, 2, 7, 14, 17, 31, 34, 49, 62, 98, 119, 217, 238, 343, 434, 527, 599, 686, 833, 1054, 1198, 1519, 1666, 3038, 3689, 4193, 5831, 7378, 8386, 10183, 10633, 11662, 18569, 20366, 21266, 25823, 29351, 37138, 51646, 58702, 71281, 129983, 142562, 180761, 205457, 259966, 315673, 361522, 410914, 498967, 631346, 909881, 997934, 1819762, 2209711, 3492769, 4419422, 6369167, 6985538, 12738334, 15467977, 30935954, 108275839, 216551678]

約数ペア:

[(1, 216551678), (2, 108275839), (7, 30935954), (14, 15467977), (17, 12738334), (31, 6985538), (34, 6369167), (49, 4419422), (62, 3492769), (98, 2209711), (119, 1819762), (217, 997934), (238, 909881), (343, 631346), (434, 498967), (527, 410914), (599, 361522), (686, 315673), (833, 259966), (1054, 205457), (1198, 180761), (1519, 142562), (1666, 129983), (3038, 71281), (3689, 58702), (4193, 51646), (5831, 37138), (7378, 29351), (8386, 25823), (10183, 21266), (10633, 20366), (11662, 18569)]