1638590968

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1877}}^1$

素因数の和:2045

約数の個数: 96

約数和(自身を含む): 3815119440

約数和(自身を除く): 2176528472

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 119, 131, 136, 196, 238, 262, 392, 476, 524, 833, 917, 952, 1048, 1666, 1834, 1877, 2227, 3332, 3668, 3754, 4454, 6419, 6664, 7336, 7508, 8908, 12838, 13139, 15016, 15589, 17816, 25676, 26278, 31178, 31909, 51352, 52556, 62356, 63818, 91973, 105112, 109123, 124712, 127636, 183946, 218246, 223363, 245887, 255272, 367892, 436492, 446726, 491774, 735784, 872984, 893452, 983548, 1563541, 1721209, 1786904, 1967096, 3127082, 3442418, 4180079, 6254164, 6884836, 8360158, 12048463, 12508328, 13769672, 16720316, 24096926, 29260553, 33440632, 48193852, 58521106, 96387704, 117042212, 204823871, 234084424, 409647742, 819295484, 1638590968]

約数ペア:

[(1, 1638590968), (2, 819295484), (4, 409647742), (7, 234084424), (8, 204823871), (14, 117042212), (17, 96387704), (28, 58521106), (34, 48193852), (49, 33440632), (56, 29260553), (68, 24096926), (98, 16720316), (119, 13769672), (131, 12508328), (136, 12048463), (196, 8360158), (238, 6884836), (262, 6254164), (392, 4180079), (476, 3442418), (524, 3127082), (833, 1967096), (917, 1786904), (952, 1721209), (1048, 1563541), (1666, 983548), (1834, 893452), (1877, 872984), (2227, 735784), (3332, 491774), (3668, 446726), (3754, 436492), (4454, 367892), (6419, 255272), (6664, 245887), (7336, 223363), (7508, 218246), (8908, 183946), (12838, 127636), (13139, 124712), (15016, 109123), (15589, 105112), (17816, 91973), (25676, 63818), (26278, 62356), (31178, 52556), (31909, 51352)]