28913010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1051}}^1$

素因数の和:1199

約数の個数: 64

約数和(自身を含む): 79985664

約数和(自身を除く): 51072654

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 131, 210, 262, 393, 655, 786, 917, 1051, 1310, 1834, 1965, 2102, 2751, 3153, 3930, 4585, 5255, 5502, 6306, 7357, 9170, 10510, 13755, 14714, 15765, 22071, 27510, 31530, 36785, 44142, 73570, 110355, 137681, 220710, 275362, 413043, 688405, 826086, 963767, 1376810, 1927534, 2065215, 2891301, 4130430, 4818835, 5782602, 9637670, 14456505, 28913010]

約数ペア:

[(1, 28913010), (2, 14456505), (3, 9637670), (5, 5782602), (6, 4818835), (7, 4130430), (10, 2891301), (14, 2065215), (15, 1927534), (21, 1376810), (30, 963767), (35, 826086), (42, 688405), (70, 413043), (105, 275362), (131, 220710), (210, 137681), (262, 110355), (393, 73570), (655, 44142), (786, 36785), (917, 31530), (1051, 27510), (1310, 22071), (1834, 15765), (1965, 14714), (2102, 13755), (2751, 10510), (3153, 9170), (3930, 7357), (4585, 6306), (5255, 5502)]