81848884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2239}}^1$

素因数の和:2312

約数の個数: 48

約数和(自身を含む): 166835200

約数和(自身を除く): 84986316

約数列:

[1, 2, 4, 13, 19, 26, 37, 38, 52, 74, 76, 148, 247, 481, 494, 703, 962, 988, 1406, 1924, 2239, 2812, 4478, 8956, 9139, 18278, 29107, 36556, 42541, 58214, 82843, 85082, 116428, 165686, 170164, 331372, 553033, 1076959, 1106066, 1574017, 2153918, 2212132, 3148034, 4307836, 6296068, 20462221, 40924442, 81848884]

約数ペア:

[(1, 81848884), (2, 40924442), (4, 20462221), (13, 6296068), (19, 4307836), (26, 3148034), (37, 2212132), (38, 2153918), (52, 1574017), (74, 1106066), (76, 1076959), (148, 553033), (247, 331372), (481, 170164), (494, 165686), (703, 116428), (962, 85082), (988, 82843), (1406, 58214), (1924, 42541), (2239, 36556), (2812, 29107), (4478, 18278), (8956, 9139)]