638447614

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2393}}^1$

素因数の和:2497

約数の個数: 64

約数和(自身を含む): 1241049600

約数和(自身を除く): 602601986

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 59, 118, 119, 133, 238, 266, 323, 413, 646, 826, 1003, 1121, 2006, 2242, 2261, 2393, 4522, 4786, 7021, 7847, 14042, 15694, 16751, 19057, 33502, 38114, 40681, 45467, 81362, 90934, 133399, 141187, 266798, 282374, 284767, 318269, 569534, 636538, 772939, 988309, 1545878, 1976618, 2400179, 2682553, 4800358, 5365106, 5410573, 10821146, 16801253, 18777871, 33602506, 37555742, 45603401, 91206802, 319223807, 638447614]

約数ペア:

[(1, 638447614), (2, 319223807), (7, 91206802), (14, 45603401), (17, 37555742), (19, 33602506), (34, 18777871), (38, 16801253), (59, 10821146), (118, 5410573), (119, 5365106), (133, 4800358), (238, 2682553), (266, 2400179), (323, 1976618), (413, 1545878), (646, 988309), (826, 772939), (1003, 636538), (1121, 569534), (2006, 318269), (2242, 284767), (2261, 282374), (2393, 266798), (4522, 141187), (4786, 133399), (7021, 90934), (7847, 81362), (14042, 45467), (15694, 40681), (16751, 38114), (19057, 33502)]