28867510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:349

約数の個数: 64

約数和(自身を含む): 62705664

約数和(自身を除く): 33838154

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 53, 62, 70, 106, 155, 217, 251, 265, 310, 371, 434, 502, 530, 742, 1085, 1255, 1643, 1757, 1855, 2170, 2510, 3286, 3514, 3710, 7781, 8215, 8785, 11501, 13303, 15562, 16430, 17570, 23002, 26606, 38905, 54467, 57505, 66515, 77810, 93121, 108934, 115010, 133030, 186242, 272335, 412393, 465605, 544670, 824786, 931210, 2061965, 2886751, 4123930, 5773502, 14433755, 28867510]

約数ペア:

[(1, 28867510), (2, 14433755), (5, 5773502), (7, 4123930), (10, 2886751), (14, 2061965), (31, 931210), (35, 824786), (53, 544670), (62, 465605), (70, 412393), (106, 272335), (155, 186242), (217, 133030), (251, 115010), (265, 108934), (310, 93121), (371, 77810), (434, 66515), (502, 57505), (530, 54467), (742, 38905), (1085, 26606), (1255, 23002), (1643, 17570), (1757, 16430), (1855, 15562), (2170, 13303), (2510, 11501), (3286, 8785), (3514, 8215), (3710, 7781)]