201558656

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1361}}^1$

素因数の和:1477

約数の個数: 64

約数和(自身を含む): 437610600

約数和(自身を除く): 236051944

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 89, 104, 128, 178, 208, 356, 416, 712, 832, 1157, 1361, 1424, 1664, 2314, 2722, 2848, 4628, 5444, 5696, 9256, 10888, 11392, 17693, 18512, 21776, 35386, 37024, 43552, 70772, 74048, 87104, 121129, 141544, 148096, 174208, 242258, 283088, 484516, 566176, 969032, 1132352, 1574677, 1938064, 2264704, 3149354, 3876128, 6298708, 7752256, 12597416, 15504512, 25194832, 50389664, 100779328, 201558656]

約数ペア:

[(1, 201558656), (2, 100779328), (4, 50389664), (8, 25194832), (13, 15504512), (16, 12597416), (26, 7752256), (32, 6298708), (52, 3876128), (64, 3149354), (89, 2264704), (104, 1938064), (128, 1574677), (178, 1132352), (208, 969032), (356, 566176), (416, 484516), (712, 283088), (832, 242258), (1157, 174208), (1361, 148096), (1424, 141544), (1664, 121129), (2314, 87104), (2722, 74048), (2848, 70772), (4628, 43552), (5444, 37024), (5696, 35386), (9256, 21776), (10888, 18512), (11392, 17693)]