221591844

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 616412160

約数和(自身を除く): 394820316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 31, 36, 46, 62, 69, 89, 92, 93, 97, 124, 138, 178, 186, 194, 207, 267, 276, 279, 291, 356, 372, 388, 414, 534, 558, 582, 713, 801, 828, 873, 1068, 1116, 1164, 1426, 1602, 1746, 2047, 2139, 2231, 2759, 2852, 3007, 3204, 3492, 4094, 4278, 4462, 5518, 6014, 6141, 6417, 6693, 8188, 8277, 8556, 8633, 8924, 9021, 11036, 12028, 12282, 12834, 13386, 16554, 17266, 18042, 18423, 20079, 24564, 24831, 25668, 25899, 26772, 27063, 33108, 34532, 36084, 36846, 40158, 49662, 51798, 54126, 63457, 69161, 73692, 77697, 80316, 99324, 103596, 108252, 126914, 138322, 155394, 190371, 198559, 207483, 253828, 267623, 276644, 310788, 380742, 397118, 414966, 535246, 571113, 595677, 622449, 761484, 794236, 802869, 829932, 1070492, 1142226, 1191354, 1244898, 1605738, 1787031, 2284452, 2382708, 2408607, 2489796, 3211476, 3574062, 4817214, 6155329, 7148124, 9634428, 12310658, 18465987, 24621316, 36931974, 55397961, 73863948, 110795922, 221591844]

約数ペア:

[(1, 221591844), (2, 110795922), (3, 73863948), (4, 55397961), (6, 36931974), (9, 24621316), (12, 18465987), (18, 12310658), (23, 9634428), (31, 7148124), (36, 6155329), (46, 4817214), (62, 3574062), (69, 3211476), (89, 2489796), (92, 2408607), (93, 2382708), (97, 2284452), (124, 1787031), (138, 1605738), (178, 1244898), (186, 1191354), (194, 1142226), (207, 1070492), (267, 829932), (276, 802869), (279, 794236), (291, 761484), (356, 622449), (372, 595677), (388, 571113), (414, 535246), (534, 414966), (558, 397118), (582, 380742), (713, 310788), (801, 276644), (828, 267623), (873, 253828), (1068, 207483), (1116, 198559), (1164, 190371), (1426, 155394), (1602, 138322), (1746, 126914), (2047, 108252), (2139, 103596), (2231, 99324), (2759, 80316), (2852, 77697), (3007, 73692), (3204, 69161), (3492, 63457), (4094, 54126), (4278, 51798), (4462, 49662), (5518, 40158), (6014, 36846), (6141, 36084), (6417, 34532), (6693, 33108), (8188, 27063), (8277, 26772), (8556, 25899), (8633, 25668), (8924, 24831), (9021, 24564), (11036, 20079), (12028, 18423), (12282, 18042), (12834, 17266), (13386, 16554)]