31200546

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1$

素因数の和:643

約数の個数: 64

約数和(自身を含む): 72777600

約数和(自身を除く): 41577054

約数列:

[1, 2, 3, 6, 13, 19, 26, 37, 38, 39, 57, 74, 78, 111, 114, 222, 247, 481, 494, 569, 703, 741, 962, 1138, 1406, 1443, 1482, 1707, 2109, 2886, 3414, 4218, 7397, 9139, 10811, 14794, 18278, 21053, 21622, 22191, 27417, 32433, 42106, 44382, 54834, 63159, 64866, 126318, 140543, 273689, 281086, 400007, 421629, 547378, 800014, 821067, 843258, 1200021, 1642134, 2400042, 5200091, 10400182, 15600273, 31200546]

約数ペア:

[(1, 31200546), (2, 15600273), (3, 10400182), (6, 5200091), (13, 2400042), (19, 1642134), (26, 1200021), (37, 843258), (38, 821067), (39, 800014), (57, 547378), (74, 421629), (78, 400007), (111, 281086), (114, 273689), (222, 140543), (247, 126318), (481, 64866), (494, 63159), (569, 54834), (703, 44382), (741, 42106), (962, 32433), (1138, 27417), (1406, 22191), (1443, 21622), (1482, 21053), (1707, 18278), (2109, 14794), (2886, 10811), (3414, 9139), (4218, 7397)]