128255456

素因数分解:

$2^5\times 7^1\times {\mathrm{101}}^1\times {\mathrm{5669}}^1$

素因数の和:5787

約数の個数: 48

約数和(自身を含む): 291483360

約数和(自身を除く): 163227904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 101, 112, 202, 224, 404, 707, 808, 1414, 1616, 2828, 3232, 5656, 5669, 11312, 11338, 22624, 22676, 39683, 45352, 79366, 90704, 158732, 181408, 317464, 572569, 634928, 1145138, 1269856, 2290276, 4007983, 4580552, 8015966, 9161104, 16031932, 18322208, 32063864, 64127728, 128255456]

約数ペア:

[(1, 128255456), (2, 64127728), (4, 32063864), (7, 18322208), (8, 16031932), (14, 9161104), (16, 8015966), (28, 4580552), (32, 4007983), (56, 2290276), (101, 1269856), (112, 1145138), (202, 634928), (224, 572569), (404, 317464), (707, 181408), (808, 158732), (1414, 90704), (1616, 79366), (2828, 45352), (3232, 39683), (5656, 22676), (5669, 22624), (11312, 11338)]