28660835

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 43338240

約数和(自身を除く): 14677405

約数列:

[1, 5, 7, 19, 35, 47, 49, 95, 131, 133, 235, 245, 329, 655, 665, 893, 917, 931, 1645, 2303, 2489, 4465, 4585, 4655, 6157, 6251, 6419, 11515, 12445, 17423, 30785, 31255, 32095, 43099, 43757, 87115, 116983, 121961, 215495, 218785, 301693, 584915, 609805, 818881, 1508465, 4094405, 5732167, 28660835]

約数ペア:

[(1, 28660835), (5, 5732167), (7, 4094405), (19, 1508465), (35, 818881), (47, 609805), (49, 584915), (95, 301693), (131, 218785), (133, 215495), (235, 121961), (245, 116983), (329, 87115), (655, 43757), (665, 43099), (893, 32095), (917, 31255), (931, 30785), (1645, 17423), (2303, 12445), (2489, 11515), (4465, 6419), (4585, 6251), (4655, 6157)]