291212316

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1$

素因数の和:388

約数の個数: 144

約数和(自身を含む): 819655200

約数和(自身を除く): 528442884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 29, 36, 38, 53, 57, 58, 76, 87, 106, 114, 116, 159, 171, 174, 212, 228, 261, 277, 318, 342, 348, 477, 522, 551, 554, 636, 684, 831, 954, 1007, 1044, 1102, 1108, 1537, 1653, 1662, 1908, 2014, 2204, 2493, 3021, 3074, 3306, 3324, 4028, 4611, 4959, 4986, 5263, 6042, 6148, 6612, 8033, 9063, 9222, 9918, 9972, 10526, 12084, 13833, 14681, 15789, 16066, 18126, 18444, 19836, 21052, 24099, 27666, 29203, 29362, 31578, 32132, 36252, 44043, 47367, 48198, 55332, 58406, 58724, 63156, 72297, 87609, 88086, 94734, 96396, 116812, 132129, 144594, 152627, 175218, 176172, 189468, 262827, 264258, 278939, 289188, 305254, 350436, 425749, 457881, 525654, 528516, 557878, 610508, 836817, 851498, 915762, 1051308, 1115756, 1277247, 1373643, 1673634, 1702996, 1831524, 2510451, 2554494, 2747286, 3347268, 3831741, 5020902, 5108988, 5494572, 7663482, 8089231, 10041804, 15326964, 16178462, 24267693, 32356924, 48535386, 72803079, 97070772, 145606158, 291212316]

約数ペア:

[(1, 291212316), (2, 145606158), (3, 97070772), (4, 72803079), (6, 48535386), (9, 32356924), (12, 24267693), (18, 16178462), (19, 15326964), (29, 10041804), (36, 8089231), (38, 7663482), (53, 5494572), (57, 5108988), (58, 5020902), (76, 3831741), (87, 3347268), (106, 2747286), (114, 2554494), (116, 2510451), (159, 1831524), (171, 1702996), (174, 1673634), (212, 1373643), (228, 1277247), (261, 1115756), (277, 1051308), (318, 915762), (342, 851498), (348, 836817), (477, 610508), (522, 557878), (551, 528516), (554, 525654), (636, 457881), (684, 425749), (831, 350436), (954, 305254), (1007, 289188), (1044, 278939), (1102, 264258), (1108, 262827), (1537, 189468), (1653, 176172), (1662, 175218), (1908, 152627), (2014, 144594), (2204, 132129), (2493, 116812), (3021, 96396), (3074, 94734), (3306, 88086), (3324, 87609), (4028, 72297), (4611, 63156), (4959, 58724), (4986, 58406), (5263, 55332), (6042, 48198), (6148, 47367), (6612, 44043), (8033, 36252), (9063, 32132), (9222, 31578), (9918, 29362), (9972, 29203), (10526, 27666), (12084, 24099), (13833, 21052), (14681, 19836), (15789, 18444), (16066, 18126)]