9780149988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{1427}}^1\times {\mathrm{27197}}^1$

素因数の和:28641

約数の個数: 72

約数和(自身を含む): 28274605632

約数和(自身を除く): 18494455644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 1427, 2854, 4281, 5708, 8562, 9989, 12843, 17124, 19978, 25686, 27197, 29967, 39956, 51372, 54394, 59934, 81591, 89901, 108788, 119868, 163182, 179802, 190379, 244773, 326364, 359604, 380758, 489546, 571137, 761516, 979092, 1142274, 1713411, 2284548, 3426822, 6853644, 38810119, 77620238, 116430357, 155240476, 232860714, 271670833, 349291071, 465721428, 543341666, 698582142, 815012499, 1086683332, 1397164284, 1630024998, 2445037497, 3260049996, 4890074994, 9780149988]

約数ペア:

[(1, 9780149988), (2, 4890074994), (3, 3260049996), (4, 2445037497), (6, 1630024998), (7, 1397164284), (9, 1086683332), (12, 815012499), (14, 698582142), (18, 543341666), (21, 465721428), (28, 349291071), (36, 271670833), (42, 232860714), (63, 155240476), (84, 116430357), (126, 77620238), (252, 38810119), (1427, 6853644), (2854, 3426822), (4281, 2284548), (5708, 1713411), (8562, 1142274), (9989, 979092), (12843, 761516), (17124, 571137), (19978, 489546), (25686, 380758), (27197, 359604), (29967, 326364), (39956, 244773), (51372, 190379), (54394, 179802), (59934, 163182), (81591, 119868), (89901, 108788)]