1620235974

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{8161}}^1$

素因数の和:8365

約数の個数: 64

約数和(自身を含む): 3855075840

約数和(自身を除く): 2234839866

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 163, 174, 203, 326, 406, 489, 609, 978, 1141, 1218, 2282, 3423, 4727, 6846, 8161, 9454, 14181, 16322, 24483, 28362, 33089, 48966, 57127, 66178, 99267, 114254, 171381, 198534, 236669, 342762, 473338, 710007, 1330243, 1420014, 1656683, 2660486, 3313366, 3990729, 4970049, 7981458, 9311701, 9940098, 18623402, 27935103, 38577047, 55870206, 77154094, 115731141, 231462282, 270039329, 540078658, 810117987, 1620235974]

約数ペア:

[(1, 1620235974), (2, 810117987), (3, 540078658), (6, 270039329), (7, 231462282), (14, 115731141), (21, 77154094), (29, 55870206), (42, 38577047), (58, 27935103), (87, 18623402), (163, 9940098), (174, 9311701), (203, 7981458), (326, 4970049), (406, 3990729), (489, 3313366), (609, 2660486), (978, 1656683), (1141, 1420014), (1218, 1330243), (2282, 710007), (3423, 473338), (4727, 342762), (6846, 236669), (8161, 198534), (9454, 171381), (14181, 114254), (16322, 99267), (24483, 66178), (28362, 57127), (33089, 48966)]