71891356

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 135224320

約数和(自身を除く): 63332964

約数列:

[1, 2, 4, 31, 43, 62, 86, 97, 124, 139, 172, 194, 278, 388, 556, 1333, 2666, 3007, 4171, 4309, 5332, 5977, 6014, 8342, 8618, 11954, 12028, 13483, 16684, 17236, 23908, 26966, 53932, 129301, 185287, 258602, 370574, 417973, 517204, 579769, 741148, 835946, 1159538, 1671892, 2319076, 17972839, 35945678, 71891356]

約数ペア:

[(1, 71891356), (2, 35945678), (4, 17972839), (31, 2319076), (43, 1671892), (62, 1159538), (86, 835946), (97, 741148), (124, 579769), (139, 517204), (172, 417973), (194, 370574), (278, 258602), (388, 185287), (556, 129301), (1333, 53932), (2666, 26966), (3007, 23908), (4171, 17236), (4309, 16684), (5332, 13483), (5977, 12028), (6014, 11954), (8342, 8618)]