1531781238

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{15451}}^1$

素因数の和:15541

約数の個数: 64

約数和(自身を含む): 3488937984

約数和(自身を除く): 1957156746

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 41, 62, 78, 82, 93, 123, 186, 246, 403, 533, 806, 1066, 1209, 1271, 1599, 2418, 2542, 3198, 3813, 7626, 15451, 16523, 30902, 33046, 46353, 49569, 92706, 99138, 200863, 401726, 478981, 602589, 633491, 957962, 1205178, 1266982, 1436943, 1900473, 2873886, 3800946, 6226753, 8235383, 12453506, 16470766, 18680259, 19638221, 24706149, 37360518, 39276442, 49412298, 58914663, 117829326, 255296873, 510593746, 765890619, 1531781238]

約数ペア:

[(1, 1531781238), (2, 765890619), (3, 510593746), (6, 255296873), (13, 117829326), (26, 58914663), (31, 49412298), (39, 39276442), (41, 37360518), (62, 24706149), (78, 19638221), (82, 18680259), (93, 16470766), (123, 12453506), (186, 8235383), (246, 6226753), (403, 3800946), (533, 2873886), (806, 1900473), (1066, 1436943), (1209, 1266982), (1271, 1205178), (1599, 957962), (2418, 633491), (2542, 602589), (3198, 478981), (3813, 401726), (7626, 200863), (15451, 99138), (16523, 92706), (30902, 49569), (33046, 46353)]