661597216

素因数分解:

$2^5\times 7^2\times {\mathrm{61}}^1\times {\mathrm{6917}}^1$

素因数の和:7002

約数の個数: 72

約数和(自身を含む): 1540237356

約数和(自身を除く): 878640140

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 61, 98, 112, 122, 196, 224, 244, 392, 427, 488, 784, 854, 976, 1568, 1708, 1952, 2989, 3416, 5978, 6832, 6917, 11956, 13664, 13834, 23912, 27668, 47824, 48419, 55336, 95648, 96838, 110672, 193676, 221344, 338933, 387352, 421937, 677866, 774704, 843874, 1355732, 1549408, 1687748, 2711464, 2953559, 3375496, 5422928, 5907118, 6750992, 10845856, 11814236, 13501984, 20674913, 23628472, 41349826, 47256944, 82699652, 94513888, 165399304, 330798608, 661597216]

約数ペア:

[(1, 661597216), (2, 330798608), (4, 165399304), (7, 94513888), (8, 82699652), (14, 47256944), (16, 41349826), (28, 23628472), (32, 20674913), (49, 13501984), (56, 11814236), (61, 10845856), (98, 6750992), (112, 5907118), (122, 5422928), (196, 3375496), (224, 2953559), (244, 2711464), (392, 1687748), (427, 1549408), (488, 1355732), (784, 843874), (854, 774704), (976, 677866), (1568, 421937), (1708, 387352), (1952, 338933), (2989, 221344), (3416, 193676), (5978, 110672), (6832, 96838), (6917, 95648), (11956, 55336), (13664, 48419), (13834, 47824), (23912, 27668)]