678855008

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{19661}}^1$

素因数の和:19767

約数の個数: 48

約数和(自身を含む): 1456718256

約数和(自身を除く): 777863248

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 83, 104, 166, 208, 332, 416, 664, 1079, 1328, 2158, 2656, 4316, 8632, 17264, 19661, 34528, 39322, 78644, 157288, 255593, 314576, 511186, 629152, 1022372, 1631863, 2044744, 3263726, 4089488, 6527452, 8178976, 13054904, 21214219, 26109808, 42428438, 52219616, 84856876, 169713752, 339427504, 678855008]

約数ペア:

[(1, 678855008), (2, 339427504), (4, 169713752), (8, 84856876), (13, 52219616), (16, 42428438), (26, 26109808), (32, 21214219), (52, 13054904), (83, 8178976), (104, 6527452), (166, 4089488), (208, 3263726), (332, 2044744), (416, 1631863), (664, 1022372), (1079, 629152), (1328, 511186), (2158, 314576), (2656, 255593), (4316, 157288), (8632, 78644), (17264, 39322), (19661, 34528)]