81718232

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 165580800

約数和(自身を除く): 83862568

約数列:

[1, 2, 4, 8, 31, 43, 62, 79, 86, 97, 124, 158, 172, 194, 248, 316, 344, 388, 632, 776, 1333, 2449, 2666, 3007, 3397, 4171, 4898, 5332, 6014, 6794, 7663, 8342, 9796, 10664, 12028, 13588, 15326, 16684, 19592, 24056, 27176, 30652, 33368, 61304, 105307, 129301, 210614, 237553, 258602, 329509, 421228, 475106, 517204, 659018, 842456, 950212, 1034408, 1318036, 1900424, 2636072, 10214779, 20429558, 40859116, 81718232]

約数ペア:

[(1, 81718232), (2, 40859116), (4, 20429558), (8, 10214779), (31, 2636072), (43, 1900424), (62, 1318036), (79, 1034408), (86, 950212), (97, 842456), (124, 659018), (158, 517204), (172, 475106), (194, 421228), (248, 329509), (316, 258602), (344, 237553), (388, 210614), (632, 129301), (776, 105307), (1333, 61304), (2449, 33368), (2666, 30652), (3007, 27176), (3397, 24056), (4171, 19592), (4898, 16684), (5332, 15326), (6014, 13588), (6794, 12028), (7663, 10664), (8342, 9796)]