64408644

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:417

約数の個数: 72

約数和(自身を含む): 167311872

約数和(自身を除く): 102903228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 113, 142, 213, 223, 226, 284, 339, 426, 446, 452, 639, 669, 678, 852, 892, 1017, 1278, 1338, 1356, 2007, 2034, 2556, 2676, 4014, 4068, 8023, 8028, 15833, 16046, 24069, 25199, 31666, 32092, 47499, 48138, 50398, 63332, 72207, 75597, 94998, 96276, 100796, 142497, 144414, 151194, 189996, 226791, 284994, 288828, 302388, 453582, 569988, 907164, 1789129, 3578258, 5367387, 7156516, 10734774, 16102161, 21469548, 32204322, 64408644]

約数ペア:

[(1, 64408644), (2, 32204322), (3, 21469548), (4, 16102161), (6, 10734774), (9, 7156516), (12, 5367387), (18, 3578258), (36, 1789129), (71, 907164), (113, 569988), (142, 453582), (213, 302388), (223, 288828), (226, 284994), (284, 226791), (339, 189996), (426, 151194), (446, 144414), (452, 142497), (639, 100796), (669, 96276), (678, 94998), (852, 75597), (892, 72207), (1017, 63332), (1278, 50398), (1338, 48138), (1356, 47499), (2007, 32092), (2034, 31666), (2556, 25199), (2676, 24069), (4014, 16046), (4068, 15833), (8023, 8028)]