249461108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 504959112

約数和(自身を除く): 255498004

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 97, 137, 194, 247, 274, 361, 388, 494, 548, 722, 988, 1261, 1444, 1781, 1843, 2522, 2603, 3562, 3686, 4693, 5044, 5206, 7124, 7372, 9386, 10412, 13289, 18772, 23959, 26578, 33839, 35017, 47918, 49457, 53156, 67678, 70034, 95836, 98914, 135356, 140068, 172757, 197828, 252491, 345514, 455221, 504982, 642941, 691028, 910442, 1009964, 1285882, 1820884, 2571764, 3282383, 4797329, 6564766, 9594658, 13129532, 19189316, 62365277, 124730554, 249461108]

約数ペア:

[(1, 249461108), (2, 124730554), (4, 62365277), (13, 19189316), (19, 13129532), (26, 9594658), (38, 6564766), (52, 4797329), (76, 3282383), (97, 2571764), (137, 1820884), (194, 1285882), (247, 1009964), (274, 910442), (361, 691028), (388, 642941), (494, 504982), (548, 455221), (722, 345514), (988, 252491), (1261, 197828), (1444, 172757), (1781, 140068), (1843, 135356), (2522, 98914), (2603, 95836), (3562, 70034), (3686, 67678), (4693, 53156), (5044, 49457), (5206, 47918), (7124, 35017), (7372, 33839), (9386, 26578), (10412, 23959), (13289, 18772)]