1990479872

素因数分解:

$2^{12}\times {\mathrm{53}}^2\times {\mathrm{173}}^1$

素因数の和:303

約数の個数: 78

約数和(自身を含む): 4080444942

約数和(自身を除く): 2089965070

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 173, 212, 256, 346, 424, 512, 692, 848, 1024, 1384, 1696, 2048, 2768, 2809, 3392, 4096, 5536, 5618, 6784, 9169, 11072, 11236, 13568, 18338, 22144, 22472, 27136, 36676, 44288, 44944, 54272, 73352, 88576, 89888, 108544, 146704, 177152, 179776, 217088, 293408, 354304, 359552, 485957, 586816, 708608, 719104, 971914, 1173632, 1438208, 1943828, 2347264, 2876416, 3887656, 4694528, 5752832, 7775312, 9389056, 11505664, 15550624, 18778112, 31101248, 37556224, 62202496, 124404992, 248809984, 497619968, 995239936, 1990479872]

約数ペア:

[(1, 1990479872), (2, 995239936), (4, 497619968), (8, 248809984), (16, 124404992), (32, 62202496), (53, 37556224), (64, 31101248), (106, 18778112), (128, 15550624), (173, 11505664), (212, 9389056), (256, 7775312), (346, 5752832), (424, 4694528), (512, 3887656), (692, 2876416), (848, 2347264), (1024, 1943828), (1384, 1438208), (1696, 1173632), (2048, 971914), (2768, 719104), (2809, 708608), (3392, 586816), (4096, 485957), (5536, 359552), (5618, 354304), (6784, 293408), (9169, 217088), (11072, 179776), (11236, 177152), (13568, 146704), (18338, 108544), (22144, 89888), (22472, 88576), (27136, 73352), (36676, 54272), (44288, 44944)]