81228992

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5743}}^1$

素因数の和:5785

約数の個数: 56

約数和(自身を含む): 183830976

約数和(自身を除く): 102601984

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 136, 208, 221, 272, 416, 442, 544, 832, 884, 1088, 1768, 3536, 5743, 7072, 11486, 14144, 22972, 45944, 74659, 91888, 97631, 149318, 183776, 195262, 298636, 367552, 390524, 597272, 781048, 1194544, 1269203, 1562096, 2389088, 2538406, 3124192, 4778176, 5076812, 6248384, 10153624, 20307248, 40614496, 81228992]

約数ペア:

[(1, 81228992), (2, 40614496), (4, 20307248), (8, 10153624), (13, 6248384), (16, 5076812), (17, 4778176), (26, 3124192), (32, 2538406), (34, 2389088), (52, 1562096), (64, 1269203), (68, 1194544), (104, 781048), (136, 597272), (208, 390524), (221, 367552), (272, 298636), (416, 195262), (442, 183776), (544, 149318), (832, 97631), (884, 91888), (1088, 74659), (1768, 45944), (3536, 22972), (5743, 14144), (7072, 11486)]