239397808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:974

約数の個数: 80

約数和(自身を含む): 536215680

約数和(自身を除く): 296817872

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 79, 104, 136, 158, 208, 221, 272, 316, 442, 632, 857, 884, 1027, 1264, 1343, 1714, 1768, 2054, 2686, 3428, 3536, 4108, 5372, 6856, 8216, 10744, 11141, 13712, 14569, 16432, 17459, 21488, 22282, 29138, 34918, 44564, 58276, 67703, 69836, 89128, 116552, 135406, 139672, 178256, 189397, 233104, 270812, 279344, 378794, 541624, 757588, 880139, 1083248, 1150951, 1515176, 1760278, 2301902, 3030352, 3520556, 4603804, 7041112, 9207608, 14082224, 14962363, 18415216, 29924726, 59849452, 119698904, 239397808]

約数ペア:

[(1, 239397808), (2, 119698904), (4, 59849452), (8, 29924726), (13, 18415216), (16, 14962363), (17, 14082224), (26, 9207608), (34, 7041112), (52, 4603804), (68, 3520556), (79, 3030352), (104, 2301902), (136, 1760278), (158, 1515176), (208, 1150951), (221, 1083248), (272, 880139), (316, 757588), (442, 541624), (632, 378794), (857, 279344), (884, 270812), (1027, 233104), (1264, 189397), (1343, 178256), (1714, 139672), (1768, 135406), (2054, 116552), (2686, 89128), (3428, 69836), (3536, 67703), (4108, 58276), (5372, 44564), (6856, 34918), (8216, 29138), (10744, 22282), (11141, 21488), (13712, 17459), (14569, 16432)]