31073718

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 70447104

約数和(自身を除く): 39373386

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 71, 78, 93, 142, 181, 186, 213, 362, 403, 426, 543, 806, 923, 1086, 1209, 1846, 2201, 2353, 2418, 2769, 4402, 4706, 5538, 5611, 6603, 7059, 11222, 12851, 13206, 14118, 16833, 25702, 28613, 33666, 38553, 57226, 72943, 77106, 85839, 145886, 167063, 171678, 218829, 334126, 398381, 437658, 501189, 796762, 1002378, 1195143, 2390286, 5178953, 10357906, 15536859, 31073718]

約数ペア:

[(1, 31073718), (2, 15536859), (3, 10357906), (6, 5178953), (13, 2390286), (26, 1195143), (31, 1002378), (39, 796762), (62, 501189), (71, 437658), (78, 398381), (93, 334126), (142, 218829), (181, 171678), (186, 167063), (213, 145886), (362, 85839), (403, 77106), (426, 72943), (543, 57226), (806, 38553), (923, 33666), (1086, 28613), (1209, 25702), (1846, 16833), (2201, 14118), (2353, 13206), (2418, 12851), (2769, 11222), (4402, 7059), (4706, 6603), (5538, 5611)]