31561842

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 72205056

約数和(自身を除く): 40643214

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 73, 78, 138, 146, 219, 241, 299, 438, 482, 598, 723, 897, 949, 1446, 1679, 1794, 1898, 2847, 3133, 3358, 5037, 5543, 5694, 6266, 9399, 10074, 11086, 16629, 17593, 18798, 21827, 33258, 35186, 43654, 52779, 65481, 72059, 105558, 130962, 144118, 216177, 228709, 404639, 432354, 457418, 686127, 809278, 1213917, 1372254, 2427834, 5260307, 10520614, 15780921, 31561842]

約数ペア:

[(1, 31561842), (2, 15780921), (3, 10520614), (6, 5260307), (13, 2427834), (23, 1372254), (26, 1213917), (39, 809278), (46, 686127), (69, 457418), (73, 432354), (78, 404639), (138, 228709), (146, 216177), (219, 144118), (241, 130962), (299, 105558), (438, 72059), (482, 65481), (598, 52779), (723, 43654), (897, 35186), (949, 33258), (1446, 21827), (1679, 18798), (1794, 17593), (1898, 16629), (2847, 11086), (3133, 10074), (3358, 9399), (5037, 6266), (5543, 5694)]