689969696

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{1201}}^1\times {\mathrm{1381}}^1$

素因数の和:2605

約数の個数: 48

約数和(自身を含む): 1465146648

約数和(自身を除く): 775176952

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 1201, 1381, 2402, 2762, 4804, 5524, 9608, 11048, 15613, 17953, 19216, 22096, 31226, 35906, 38432, 44192, 62452, 71812, 124904, 143624, 249808, 287248, 499616, 574496, 1658581, 3317162, 6634324, 13268648, 21561553, 26537296, 43123106, 53074592, 86246212, 172492424, 344984848, 689969696]

約数ペア:

[(1, 689969696), (2, 344984848), (4, 172492424), (8, 86246212), (13, 53074592), (16, 43123106), (26, 26537296), (32, 21561553), (52, 13268648), (104, 6634324), (208, 3317162), (416, 1658581), (1201, 574496), (1381, 499616), (2402, 287248), (2762, 249808), (4804, 143624), (5524, 124904), (9608, 71812), (11048, 62452), (15613, 44192), (17953, 38432), (19216, 35906), (22096, 31226)]