209551568

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 437114880

約数和(自身を除く): 227563312

約数列:

[1, 2, 4, 8, 16, 31, 47, 62, 89, 94, 101, 124, 178, 188, 202, 248, 356, 376, 404, 496, 712, 752, 808, 1424, 1457, 1616, 2759, 2914, 3131, 4183, 4747, 5518, 5828, 6262, 8366, 8989, 9494, 11036, 11656, 12524, 16732, 17978, 18988, 22072, 23312, 25048, 33464, 35956, 37976, 44144, 50096, 66928, 71912, 75952, 129673, 143824, 147157, 259346, 278659, 294314, 422483, 518692, 557318, 588628, 844966, 1037384, 1114636, 1177256, 1689932, 2074768, 2229272, 2354512, 3379864, 4458544, 6759728, 13096973, 26193946, 52387892, 104775784, 209551568]

約数ペア:

[(1, 209551568), (2, 104775784), (4, 52387892), (8, 26193946), (16, 13096973), (31, 6759728), (47, 4458544), (62, 3379864), (89, 2354512), (94, 2229272), (101, 2074768), (124, 1689932), (178, 1177256), (188, 1114636), (202, 1037384), (248, 844966), (356, 588628), (376, 557318), (404, 518692), (496, 422483), (712, 294314), (752, 278659), (808, 259346), (1424, 147157), (1457, 143824), (1616, 129673), (2759, 75952), (2914, 71912), (3131, 66928), (4183, 50096), (4747, 44144), (5518, 37976), (5828, 35956), (6262, 33464), (8366, 25048), (8989, 23312), (9494, 22072), (11036, 18988), (11656, 17978), (12524, 16732)]