215799246

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:542

約数の個数: 96

約数和(自身を含む): 528353280

約数和(自身を除く): 312554034

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 71, 78, 93, 117, 142, 186, 213, 234, 279, 403, 419, 426, 558, 639, 806, 838, 923, 1209, 1257, 1278, 1846, 2201, 2418, 2514, 2769, 3627, 3771, 4402, 5447, 5538, 6603, 7254, 7542, 8307, 10894, 12989, 13206, 16341, 16614, 19809, 25978, 28613, 29749, 32682, 38967, 39618, 49023, 57226, 59498, 77934, 85839, 89247, 98046, 116901, 168857, 171678, 178494, 233802, 257517, 267741, 337714, 386737, 506571, 515034, 535482, 773474, 922219, 1013142, 1160211, 1519713, 1844438, 2320422, 2766657, 3039426, 3480633, 5533314, 6961266, 8299971, 11988847, 16599942, 23977694, 35966541, 71933082, 107899623, 215799246]

約数ペア:

[(1, 215799246), (2, 107899623), (3, 71933082), (6, 35966541), (9, 23977694), (13, 16599942), (18, 11988847), (26, 8299971), (31, 6961266), (39, 5533314), (62, 3480633), (71, 3039426), (78, 2766657), (93, 2320422), (117, 1844438), (142, 1519713), (186, 1160211), (213, 1013142), (234, 922219), (279, 773474), (403, 535482), (419, 515034), (426, 506571), (558, 386737), (639, 337714), (806, 267741), (838, 257517), (923, 233802), (1209, 178494), (1257, 171678), (1278, 168857), (1846, 116901), (2201, 98046), (2418, 89247), (2514, 85839), (2769, 77934), (3627, 59498), (3771, 57226), (4402, 49023), (5447, 39618), (5538, 38967), (6603, 32682), (7254, 29749), (7542, 28613), (8307, 25978), (10894, 19809), (12989, 16614), (13206, 16341)]