81565428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{11699}}^1$

素因数の和:11796

約数の個数: 48

約数和(自身を含む): 220147200

約数和(自身を除く): 138581772

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 83, 84, 166, 249, 332, 498, 581, 996, 1162, 1743, 2324, 3486, 6972, 11699, 23398, 35097, 46796, 70194, 81893, 140388, 163786, 245679, 327572, 491358, 971017, 982716, 1942034, 2913051, 3884068, 5826102, 6797119, 11652204, 13594238, 20391357, 27188476, 40782714, 81565428]

約数ペア:

[(1, 81565428), (2, 40782714), (3, 27188476), (4, 20391357), (6, 13594238), (7, 11652204), (12, 6797119), (14, 5826102), (21, 3884068), (28, 2913051), (42, 1942034), (83, 982716), (84, 971017), (166, 491358), (249, 327572), (332, 245679), (498, 163786), (581, 140388), (996, 81893), (1162, 70194), (1743, 46796), (2324, 35097), (3486, 23398), (6972, 11699)]