31299498

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1289}}^1$

素因数の和:1387

約数の個数: 48

約数和(自身を含む): 72446400

約数和(自身を除く): 41146902

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 71, 114, 142, 171, 213, 342, 426, 639, 1278, 1289, 1349, 2578, 2698, 3867, 4047, 7734, 8094, 11601, 12141, 23202, 24282, 24491, 48982, 73473, 91519, 146946, 183038, 220419, 274557, 440838, 549114, 823671, 1647342, 1738861, 3477722, 5216583, 10433166, 15649749, 31299498]

約数ペア:

[(1, 31299498), (2, 15649749), (3, 10433166), (6, 5216583), (9, 3477722), (18, 1738861), (19, 1647342), (38, 823671), (57, 549114), (71, 440838), (114, 274557), (142, 220419), (171, 183038), (213, 146946), (342, 91519), (426, 73473), (639, 48982), (1278, 24491), (1289, 24282), (1349, 23202), (2578, 12141), (2698, 11601), (3867, 8094), (4047, 7734)]