221113944

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 649041120

約数和(自身を除く): 427927176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 47, 57, 72, 76, 94, 114, 141, 152, 171, 181, 188, 228, 282, 342, 361, 362, 376, 423, 456, 543, 564, 684, 722, 724, 846, 893, 1083, 1086, 1128, 1368, 1444, 1448, 1629, 1692, 1786, 2166, 2172, 2679, 2888, 3249, 3258, 3384, 3439, 3572, 4332, 4344, 5358, 6498, 6516, 6878, 7144, 8037, 8507, 8664, 10317, 10716, 12996, 13032, 13756, 16074, 16967, 17014, 20634, 21432, 25521, 25992, 27512, 30951, 32148, 33934, 34028, 41268, 50901, 51042, 61902, 64296, 65341, 67868, 68056, 76563, 82536, 101802, 102084, 123804, 130682, 135736, 152703, 153126, 161633, 196023, 203604, 204168, 247608, 261364, 305406, 306252, 323266, 392046, 407208, 484899, 522728, 588069, 610812, 612504, 646532, 784092, 969798, 1176138, 1221624, 1293064, 1454697, 1568184, 1939596, 2352276, 2909394, 3071027, 3879192, 4704552, 5818788, 6142054, 9213081, 11637576, 12284108, 18426162, 24568216, 27639243, 36852324, 55278486, 73704648, 110556972, 221113944]

約数ペア:

[(1, 221113944), (2, 110556972), (3, 73704648), (4, 55278486), (6, 36852324), (8, 27639243), (9, 24568216), (12, 18426162), (18, 12284108), (19, 11637576), (24, 9213081), (36, 6142054), (38, 5818788), (47, 4704552), (57, 3879192), (72, 3071027), (76, 2909394), (94, 2352276), (114, 1939596), (141, 1568184), (152, 1454697), (171, 1293064), (181, 1221624), (188, 1176138), (228, 969798), (282, 784092), (342, 646532), (361, 612504), (362, 610812), (376, 588069), (423, 522728), (456, 484899), (543, 407208), (564, 392046), (684, 323266), (722, 306252), (724, 305406), (846, 261364), (893, 247608), (1083, 204168), (1086, 203604), (1128, 196023), (1368, 161633), (1444, 153126), (1448, 152703), (1629, 135736), (1692, 130682), (1786, 123804), (2166, 102084), (2172, 101802), (2679, 82536), (2888, 76563), (3249, 68056), (3258, 67868), (3384, 65341), (3439, 64296), (3572, 61902), (4332, 51042), (4344, 50901), (5358, 41268), (6498, 34028), (6516, 33934), (6878, 32148), (7144, 30951), (8037, 27512), (8507, 25992), (8664, 25521), (10317, 21432), (10716, 20634), (12996, 17014), (13032, 16967), (13756, 16074)]