646536636

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{1697}}^1$

素因数の和:2283

約数の個数: 72

約数和(自身を含む): 1724420880

約数和(自身を除く): 1077884244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 557, 684, 1114, 1671, 1697, 2228, 3342, 3394, 5013, 5091, 6684, 6788, 10026, 10182, 10583, 15273, 20052, 20364, 21166, 30546, 31749, 32243, 42332, 61092, 63498, 64486, 95247, 96729, 126996, 128972, 190494, 193458, 290187, 380988, 386916, 580374, 945229, 1160748, 1890458, 2835687, 3780916, 5671374, 8507061, 11342748, 17014122, 17959351, 34028244, 35918702, 53878053, 71837404, 107756106, 161634159, 215512212, 323268318, 646536636]

約数ペア:

[(1, 646536636), (2, 323268318), (3, 215512212), (4, 161634159), (6, 107756106), (9, 71837404), (12, 53878053), (18, 35918702), (19, 34028244), (36, 17959351), (38, 17014122), (57, 11342748), (76, 8507061), (114, 5671374), (171, 3780916), (228, 2835687), (342, 1890458), (557, 1160748), (684, 945229), (1114, 580374), (1671, 386916), (1697, 380988), (2228, 290187), (3342, 193458), (3394, 190494), (5013, 128972), (5091, 126996), (6684, 96729), (6788, 95247), (10026, 64486), (10182, 63498), (10583, 61092), (15273, 42332), (20052, 32243), (20364, 31749), (21166, 30546)]