561931308

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{1553}}^1$

素因数の和:1628

約数の個数: 108

約数和(自身を含む): 1564038840

約数和(自身を除く): 1002107532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 92, 114, 138, 171, 207, 228, 276, 342, 414, 437, 529, 684, 828, 874, 1058, 1311, 1553, 1587, 1748, 2116, 2622, 3106, 3174, 3933, 4659, 4761, 5244, 6212, 6348, 7866, 9318, 9522, 10051, 13977, 15732, 18636, 19044, 20102, 27954, 29507, 30153, 35719, 40204, 55908, 59014, 60306, 71438, 88521, 90459, 107157, 118028, 120612, 142876, 177042, 180918, 214314, 265563, 321471, 354084, 361836, 428628, 531126, 642942, 678661, 821537, 1062252, 1285884, 1357322, 1643074, 2035983, 2464611, 2714644, 3286148, 4071966, 4929222, 6107949, 7393833, 8143932, 9858444, 12215898, 14787666, 15609203, 24431796, 29575332, 31218406, 46827609, 62436812, 93655218, 140482827, 187310436, 280965654, 561931308]

約数ペア:

[(1, 561931308), (2, 280965654), (3, 187310436), (4, 140482827), (6, 93655218), (9, 62436812), (12, 46827609), (18, 31218406), (19, 29575332), (23, 24431796), (36, 15609203), (38, 14787666), (46, 12215898), (57, 9858444), (69, 8143932), (76, 7393833), (92, 6107949), (114, 4929222), (138, 4071966), (171, 3286148), (207, 2714644), (228, 2464611), (276, 2035983), (342, 1643074), (414, 1357322), (437, 1285884), (529, 1062252), (684, 821537), (828, 678661), (874, 642942), (1058, 531126), (1311, 428628), (1553, 361836), (1587, 354084), (1748, 321471), (2116, 265563), (2622, 214314), (3106, 180918), (3174, 177042), (3933, 142876), (4659, 120612), (4761, 118028), (5244, 107157), (6212, 90459), (6348, 88521), (7866, 71438), (9318, 60306), (9522, 59014), (10051, 55908), (13977, 40204), (15732, 35719), (18636, 30153), (19044, 29507), (20102, 27954)]