397393216

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:324

約数の個数: 112

約数和(自身を含む): 901232640

約数和(自身を除く): 503839424

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 131, 139, 176, 248, 262, 278, 341, 352, 496, 524, 556, 682, 704, 992, 1048, 1112, 1364, 1441, 1529, 1984, 2096, 2224, 2728, 2882, 3058, 4061, 4192, 4309, 4448, 5456, 5764, 6116, 8122, 8384, 8618, 8896, 10912, 11528, 12232, 16244, 17236, 18209, 21824, 23056, 24464, 32488, 34472, 36418, 44671, 46112, 47399, 48928, 64976, 68944, 72836, 89342, 92224, 94798, 97856, 129952, 137888, 145672, 178684, 189596, 200299, 259904, 275776, 291344, 357368, 379192, 400598, 564479, 582688, 714736, 758384, 801196, 1128958, 1165376, 1429472, 1516768, 1602392, 2257916, 2858944, 3033536, 3204784, 4515832, 6209269, 6409568, 9031664, 12418538, 12819136, 18063328, 24837076, 36126656, 49674152, 99348304, 198696608, 397393216]

約数ペア:

[(1, 397393216), (2, 198696608), (4, 99348304), (8, 49674152), (11, 36126656), (16, 24837076), (22, 18063328), (31, 12819136), (32, 12418538), (44, 9031664), (62, 6409568), (64, 6209269), (88, 4515832), (124, 3204784), (131, 3033536), (139, 2858944), (176, 2257916), (248, 1602392), (262, 1516768), (278, 1429472), (341, 1165376), (352, 1128958), (496, 801196), (524, 758384), (556, 714736), (682, 582688), (704, 564479), (992, 400598), (1048, 379192), (1112, 357368), (1364, 291344), (1441, 275776), (1529, 259904), (1984, 200299), (2096, 189596), (2224, 178684), (2728, 145672), (2882, 137888), (3058, 129952), (4061, 97856), (4192, 94798), (4309, 92224), (4448, 89342), (5456, 72836), (5764, 68944), (6116, 64976), (8122, 48928), (8384, 47399), (8618, 46112), (8896, 44671), (10912, 36418), (11528, 34472), (12232, 32488), (16244, 24464), (17236, 23056), (18209, 21824)]