81230656

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1097}}^1$

素因数の和:1211

約数の個数: 56

約数和(自身を含む): 175701960

約数和(自身を除く): 94471304

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 89, 104, 178, 208, 356, 416, 712, 832, 1097, 1157, 1424, 2194, 2314, 2848, 4388, 4628, 5696, 8776, 9256, 14261, 17552, 18512, 28522, 35104, 37024, 57044, 70208, 74048, 97633, 114088, 195266, 228176, 390532, 456352, 781064, 912704, 1269229, 1562128, 2538458, 3124256, 5076916, 6248512, 10153832, 20307664, 40615328, 81230656]

約数ペア:

[(1, 81230656), (2, 40615328), (4, 20307664), (8, 10153832), (13, 6248512), (16, 5076916), (26, 3124256), (32, 2538458), (52, 1562128), (64, 1269229), (89, 912704), (104, 781064), (178, 456352), (208, 390532), (356, 228176), (416, 195266), (712, 114088), (832, 97633), (1097, 74048), (1157, 70208), (1424, 57044), (2194, 37024), (2314, 35104), (2848, 28522), (4388, 18512), (4628, 17552), (5696, 14261), (8776, 9256)]