28730624

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 63098280

約数和(自身を除く): 34367656

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 89, 97, 104, 128, 178, 194, 208, 256, 356, 388, 416, 712, 776, 832, 1157, 1261, 1424, 1552, 1664, 2314, 2522, 2848, 3104, 3328, 4628, 5044, 5696, 6208, 8633, 9256, 10088, 11392, 12416, 17266, 18512, 20176, 22784, 24832, 34532, 37024, 40352, 69064, 74048, 80704, 112229, 138128, 148096, 161408, 224458, 276256, 296192, 322816, 448916, 552512, 897832, 1105024, 1795664, 2210048, 3591328, 7182656, 14365312, 28730624]

約数ペア:

[(1, 28730624), (2, 14365312), (4, 7182656), (8, 3591328), (13, 2210048), (16, 1795664), (26, 1105024), (32, 897832), (52, 552512), (64, 448916), (89, 322816), (97, 296192), (104, 276256), (128, 224458), (178, 161408), (194, 148096), (208, 138128), (256, 112229), (356, 80704), (388, 74048), (416, 69064), (712, 40352), (776, 37024), (832, 34532), (1157, 24832), (1261, 22784), (1424, 20176), (1552, 18512), (1664, 17266), (2314, 12416), (2522, 11392), (2848, 10088), (3104, 9256), (3328, 8633), (4628, 6208), (5044, 5696)]