51981978

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:507

約数の個数: 64

約数和(自身を含む): 116121600

約数和(自身を除く): 64139622

約数列:

[1, 2, 3, 6, 23, 29, 31, 46, 58, 62, 69, 87, 93, 138, 174, 186, 419, 667, 713, 838, 899, 1257, 1334, 1426, 1798, 2001, 2139, 2514, 2697, 4002, 4278, 5394, 9637, 12151, 12989, 19274, 20677, 24302, 25978, 28911, 36453, 38967, 41354, 57822, 62031, 72906, 77934, 124062, 279473, 298747, 376681, 558946, 597494, 753362, 838419, 896241, 1130043, 1676838, 1792482, 2260086, 8663663, 17327326, 25990989, 51981978]

約数ペア:

[(1, 51981978), (2, 25990989), (3, 17327326), (6, 8663663), (23, 2260086), (29, 1792482), (31, 1676838), (46, 1130043), (58, 896241), (62, 838419), (69, 753362), (87, 597494), (93, 558946), (138, 376681), (174, 298747), (186, 279473), (419, 124062), (667, 77934), (713, 72906), (838, 62031), (899, 57822), (1257, 41354), (1334, 38967), (1426, 36453), (1798, 28911), (2001, 25978), (2139, 24302), (2514, 20677), (2697, 19274), (4002, 12989), (4278, 12151), (5394, 9637)]