647998932

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{26879}}^1$

素因数の和:26941

約数の個数: 72

約数和(自身を含む): 1801820160

約数和(自身を除く): 1153821228

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 49, 82, 84, 98, 123, 147, 164, 196, 246, 287, 294, 492, 574, 588, 861, 1148, 1722, 2009, 3444, 4018, 6027, 8036, 12054, 24108, 26879, 53758, 80637, 107516, 161274, 188153, 322548, 376306, 564459, 752612, 1102039, 1128918, 1317071, 2204078, 2257836, 2634142, 3306117, 3951213, 4408156, 5268284, 6612234, 7714273, 7902426, 13224468, 15428546, 15804852, 23142819, 30857092, 46285638, 53999911, 92571276, 107999822, 161999733, 215999644, 323999466, 647998932]

約数ペア:

[(1, 647998932), (2, 323999466), (3, 215999644), (4, 161999733), (6, 107999822), (7, 92571276), (12, 53999911), (14, 46285638), (21, 30857092), (28, 23142819), (41, 15804852), (42, 15428546), (49, 13224468), (82, 7902426), (84, 7714273), (98, 6612234), (123, 5268284), (147, 4408156), (164, 3951213), (196, 3306117), (246, 2634142), (287, 2257836), (294, 2204078), (492, 1317071), (574, 1128918), (588, 1102039), (861, 752612), (1148, 564459), (1722, 376306), (2009, 322548), (3444, 188153), (4018, 161274), (6027, 107516), (8036, 80637), (12054, 53758), (24108, 26879)]