647156748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{1979}}^1$

素因数の和:2239

約数の個数: 96

約数和(自身を含む): 1836172800

約数和(自身を除く): 1189016052

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 229, 238, 357, 458, 476, 687, 714, 916, 1374, 1428, 1603, 1979, 2748, 3206, 3893, 3958, 4809, 5937, 6412, 7786, 7916, 9618, 11679, 11874, 13853, 15572, 19236, 23358, 23748, 27251, 27706, 33643, 41559, 46716, 54502, 55412, 67286, 81753, 83118, 100929, 109004, 134572, 163506, 166236, 201858, 235501, 327012, 403716, 453191, 471002, 706503, 906382, 942004, 1359573, 1413006, 1812764, 2719146, 2826012, 3172337, 5438292, 6344674, 7704247, 9517011, 12689348, 15408494, 19034022, 23112741, 30816988, 38068044, 46225482, 53929729, 92450964, 107859458, 161789187, 215718916, 323578374, 647156748]

約数ペア:

[(1, 647156748), (2, 323578374), (3, 215718916), (4, 161789187), (6, 107859458), (7, 92450964), (12, 53929729), (14, 46225482), (17, 38068044), (21, 30816988), (28, 23112741), (34, 19034022), (42, 15408494), (51, 12689348), (68, 9517011), (84, 7704247), (102, 6344674), (119, 5438292), (204, 3172337), (229, 2826012), (238, 2719146), (357, 1812764), (458, 1413006), (476, 1359573), (687, 942004), (714, 906382), (916, 706503), (1374, 471002), (1428, 453191), (1603, 403716), (1979, 327012), (2748, 235501), (3206, 201858), (3893, 166236), (3958, 163506), (4809, 134572), (5937, 109004), (6412, 100929), (7786, 83118), (7916, 81753), (9618, 67286), (11679, 55412), (11874, 54502), (13853, 46716), (15572, 41559), (19236, 33643), (23358, 27706), (23748, 27251)]