123354688

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1663}}^1$

素因数の和:1755

約数の個数: 56

約数和(自身を含む): 262046720

約数和(自身を除く): 138692032

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 61, 64, 76, 122, 152, 244, 304, 488, 608, 976, 1159, 1216, 1663, 1952, 2318, 3326, 3904, 4636, 6652, 9272, 13304, 18544, 26608, 31597, 37088, 53216, 63194, 74176, 101443, 106432, 126388, 202886, 252776, 405772, 505552, 811544, 1011104, 1623088, 1927417, 2022208, 3246176, 3854834, 6492352, 7709668, 15419336, 30838672, 61677344, 123354688]

約数ペア:

[(1, 123354688), (2, 61677344), (4, 30838672), (8, 15419336), (16, 7709668), (19, 6492352), (32, 3854834), (38, 3246176), (61, 2022208), (64, 1927417), (76, 1623088), (122, 1011104), (152, 811544), (244, 505552), (304, 405772), (488, 252776), (608, 202886), (976, 126388), (1159, 106432), (1216, 101443), (1663, 74176), (1952, 63194), (2318, 53216), (3326, 37088), (3904, 31597), (4636, 26608), (6652, 18544), (9272, 13304)]