401488256

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2711}}^1$

素因数の和:2827

約数の個数: 64

約数和(自身を含む): 871365600

約数和(自身を除く): 469877344

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 89, 104, 128, 178, 208, 356, 416, 712, 832, 1157, 1424, 1664, 2314, 2711, 2848, 4628, 5422, 5696, 9256, 10844, 11392, 18512, 21688, 35243, 37024, 43376, 70486, 74048, 86752, 140972, 148096, 173504, 241279, 281944, 347008, 482558, 563888, 965116, 1127776, 1930232, 2255552, 3136627, 3860464, 4511104, 6273254, 7720928, 12546508, 15441856, 25093016, 30883712, 50186032, 100372064, 200744128, 401488256]

約数ペア:

[(1, 401488256), (2, 200744128), (4, 100372064), (8, 50186032), (13, 30883712), (16, 25093016), (26, 15441856), (32, 12546508), (52, 7720928), (64, 6273254), (89, 4511104), (104, 3860464), (128, 3136627), (178, 2255552), (208, 1930232), (356, 1127776), (416, 965116), (712, 563888), (832, 482558), (1157, 347008), (1424, 281944), (1664, 241279), (2314, 173504), (2711, 148096), (2848, 140972), (4628, 86752), (5422, 74048), (5696, 70486), (9256, 43376), (10844, 37024), (11392, 35243), (18512, 21688)]