31856396

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 67881072

約数和(自身を除く): 36024676

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 61, 83, 121, 122, 143, 166, 242, 244, 286, 332, 484, 572, 671, 793, 913, 1079, 1342, 1573, 1586, 1826, 2158, 2684, 3146, 3172, 3652, 4316, 5063, 6292, 7381, 8723, 10043, 10126, 11869, 14762, 17446, 20086, 20252, 23738, 29524, 34892, 40172, 47476, 55693, 65819, 95953, 111386, 130559, 131638, 191906, 222772, 261118, 263276, 383812, 522236, 612623, 724009, 1225246, 1448018, 2450492, 2896036, 7964099, 15928198, 31856396]

約数ペア:

[(1, 31856396), (2, 15928198), (4, 7964099), (11, 2896036), (13, 2450492), (22, 1448018), (26, 1225246), (44, 724009), (52, 612623), (61, 522236), (83, 383812), (121, 263276), (122, 261118), (143, 222772), (166, 191906), (242, 131638), (244, 130559), (286, 111386), (332, 95953), (484, 65819), (572, 55693), (671, 47476), (793, 40172), (913, 34892), (1079, 29524), (1342, 23738), (1573, 20252), (1586, 20086), (1826, 17446), (2158, 14762), (2684, 11869), (3146, 10126), (3172, 10043), (3652, 8723), (4316, 7381), (5063, 6292)]