81296176

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 182425824

約数和(自身を除く): 101129648

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 83, 104, 136, 166, 208, 221, 272, 277, 332, 442, 554, 664, 884, 1079, 1108, 1328, 1411, 1768, 2158, 2216, 2822, 3536, 3601, 4316, 4432, 4709, 5644, 7202, 8632, 9418, 11288, 14404, 17264, 18343, 18836, 22576, 22991, 28808, 36686, 37672, 45982, 57616, 61217, 73372, 75344, 91964, 122434, 146744, 183928, 244868, 293488, 298883, 367856, 390847, 489736, 597766, 781694, 979472, 1195532, 1563388, 2391064, 3126776, 4782128, 5081011, 6253552, 10162022, 20324044, 40648088, 81296176]

約数ペア:

[(1, 81296176), (2, 40648088), (4, 20324044), (8, 10162022), (13, 6253552), (16, 5081011), (17, 4782128), (26, 3126776), (34, 2391064), (52, 1563388), (68, 1195532), (83, 979472), (104, 781694), (136, 597766), (166, 489736), (208, 390847), (221, 367856), (272, 298883), (277, 293488), (332, 244868), (442, 183928), (554, 146744), (664, 122434), (884, 91964), (1079, 75344), (1108, 73372), (1328, 61217), (1411, 57616), (1768, 45982), (2158, 37672), (2216, 36686), (2822, 28808), (3536, 22991), (3601, 22576), (4316, 18836), (4432, 18343), (4709, 17264), (5644, 14404), (7202, 11288), (8632, 9418)]