221255928

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:410

約数の個数: 128

約数和(自身を含む): 641433600

約数和(自身を除く): 420177672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 93, 108, 124, 173, 186, 191, 216, 248, 279, 346, 372, 382, 519, 558, 573, 692, 744, 764, 837, 1038, 1116, 1146, 1384, 1528, 1557, 1674, 1719, 2076, 2232, 2292, 3114, 3348, 3438, 4152, 4584, 4671, 5157, 5363, 5921, 6228, 6696, 6876, 9342, 10314, 10726, 11842, 12456, 13752, 16089, 17763, 18684, 20628, 21452, 23684, 32178, 33043, 35526, 37368, 41256, 42904, 47368, 48267, 53289, 64356, 66086, 71052, 96534, 99129, 106578, 128712, 132172, 142104, 144801, 159867, 193068, 198258, 213156, 264344, 289602, 297387, 319734, 386136, 396516, 426312, 579204, 594774, 639468, 793032, 892161, 1024333, 1158408, 1189548, 1278936, 1784322, 2048666, 2379096, 3072999, 3568644, 4097332, 6145998, 7137288, 8194664, 9218997, 12291996, 18437994, 24583992, 27656991, 36875988, 55313982, 73751976, 110627964, 221255928]

約数ペア:

[(1, 221255928), (2, 110627964), (3, 73751976), (4, 55313982), (6, 36875988), (8, 27656991), (9, 24583992), (12, 18437994), (18, 12291996), (24, 9218997), (27, 8194664), (31, 7137288), (36, 6145998), (54, 4097332), (62, 3568644), (72, 3072999), (93, 2379096), (108, 2048666), (124, 1784322), (173, 1278936), (186, 1189548), (191, 1158408), (216, 1024333), (248, 892161), (279, 793032), (346, 639468), (372, 594774), (382, 579204), (519, 426312), (558, 396516), (573, 386136), (692, 319734), (744, 297387), (764, 289602), (837, 264344), (1038, 213156), (1116, 198258), (1146, 193068), (1384, 159867), (1528, 144801), (1557, 142104), (1674, 132172), (1719, 128712), (2076, 106578), (2232, 99129), (2292, 96534), (3114, 71052), (3348, 66086), (3438, 64356), (4152, 53289), (4584, 48267), (4671, 47368), (5157, 42904), (5363, 41256), (5921, 37368), (6228, 35526), (6696, 33043), (6876, 32178), (9342, 23684), (10314, 21452), (10726, 20628), (11842, 18684), (12456, 17763), (13752, 16089)]