78198316

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 168116256

約数和(自身を除く): 89917940

約数列:

[1, 2, 4, 7, 14, 28, 37, 41, 49, 74, 82, 98, 148, 164, 196, 259, 263, 287, 518, 526, 574, 1036, 1052, 1148, 1517, 1813, 1841, 2009, 3034, 3626, 3682, 4018, 6068, 7252, 7364, 8036, 9731, 10619, 10783, 12887, 19462, 21238, 21566, 25774, 38924, 42476, 43132, 51548, 68117, 74333, 75481, 136234, 148666, 150962, 272468, 297332, 301924, 398971, 476819, 528367, 797942, 953638, 1056734, 1595884, 1907276, 2113468, 2792797, 5585594, 11171188, 19549579, 39099158, 78198316]

約数ペア:

[(1, 78198316), (2, 39099158), (4, 19549579), (7, 11171188), (14, 5585594), (28, 2792797), (37, 2113468), (41, 1907276), (49, 1595884), (74, 1056734), (82, 953638), (98, 797942), (148, 528367), (164, 476819), (196, 398971), (259, 301924), (263, 297332), (287, 272468), (518, 150962), (526, 148666), (574, 136234), (1036, 75481), (1052, 74333), (1148, 68117), (1517, 51548), (1813, 43132), (1841, 42476), (2009, 38924), (3034, 25774), (3626, 21566), (3682, 21238), (4018, 19462), (6068, 12887), (7252, 10783), (7364, 10619), (8036, 9731)]