217375884

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{173}}^1$

素因数の和:380

約数の個数: 144

約数和(自身を含む): 638426880

約数和(自身を除く): 421050996

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 99, 114, 132, 167, 171, 173, 198, 209, 228, 334, 342, 346, 396, 418, 501, 519, 627, 668, 684, 692, 836, 1002, 1038, 1254, 1503, 1557, 1837, 1881, 1903, 2004, 2076, 2508, 3006, 3114, 3173, 3287, 3674, 3762, 3806, 5511, 5709, 6012, 6228, 6346, 6574, 7348, 7524, 7612, 9519, 9861, 11022, 11418, 12692, 13148, 16533, 17127, 19038, 19722, 22044, 22836, 28557, 28891, 29583, 33066, 34254, 34903, 36157, 38076, 39444, 57114, 57782, 59166, 66132, 68508, 69806, 72314, 86673, 104709, 108471, 114228, 115564, 118332, 139612, 144628, 173346, 209418, 216942, 260019, 314127, 317801, 325413, 346692, 418836, 433884, 520038, 548929, 628254, 635602, 650826, 953403, 1040076, 1097858, 1256508, 1271204, 1301652, 1646787, 1906806, 2195716, 2860209, 3293574, 3813612, 4940361, 5720418, 6038219, 6587148, 9880722, 11440836, 12076438, 18114657, 19761444, 24152876, 36229314, 54343971, 72458628, 108687942, 217375884]

約数ペア:

[(1, 217375884), (2, 108687942), (3, 72458628), (4, 54343971), (6, 36229314), (9, 24152876), (11, 19761444), (12, 18114657), (18, 12076438), (19, 11440836), (22, 9880722), (33, 6587148), (36, 6038219), (38, 5720418), (44, 4940361), (57, 3813612), (66, 3293574), (76, 2860209), (99, 2195716), (114, 1906806), (132, 1646787), (167, 1301652), (171, 1271204), (173, 1256508), (198, 1097858), (209, 1040076), (228, 953403), (334, 650826), (342, 635602), (346, 628254), (396, 548929), (418, 520038), (501, 433884), (519, 418836), (627, 346692), (668, 325413), (684, 317801), (692, 314127), (836, 260019), (1002, 216942), (1038, 209418), (1254, 173346), (1503, 144628), (1557, 139612), (1837, 118332), (1881, 115564), (1903, 114228), (2004, 108471), (2076, 104709), (2508, 86673), (3006, 72314), (3114, 69806), (3173, 68508), (3287, 66132), (3674, 59166), (3762, 57782), (3806, 57114), (5511, 39444), (5709, 38076), (6012, 36157), (6228, 34903), (6346, 34254), (6574, 33066), (7348, 29583), (7524, 28891), (7612, 28557), (9519, 22836), (9861, 22044), (11022, 19722), (11418, 19038), (12692, 17127), (13148, 16533)]