138280178

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 220147200

約数和(自身を除く): 81867022

約数列:

[1, 2, 29, 58, 79, 103, 158, 206, 293, 586, 2291, 2987, 4582, 5974, 8137, 8497, 16274, 16994, 23147, 30179, 46294, 60358, 235973, 471946, 671263, 875191, 1342526, 1750382, 2384141, 4768282, 69140089, 138280178]

約数ペア:

[(1, 138280178), (2, 69140089), (29, 4768282), (58, 2384141), (79, 1750382), (103, 1342526), (158, 875191), (206, 671263), (293, 471946), (586, 235973), (2291, 60358), (2987, 46294), (4582, 30179), (5974, 23147), (8137, 16994), (8497, 16274)]