263446144

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:250

約数の個数: 128

約数和(自身を含む): 611755200

約数和(自身を除く): 348309056

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 67, 68, 104, 128, 134, 136, 139, 208, 221, 268, 272, 278, 416, 442, 536, 544, 556, 832, 871, 884, 1072, 1088, 1112, 1139, 1664, 1742, 1768, 1807, 2144, 2176, 2224, 2278, 2363, 3484, 3536, 3614, 4288, 4448, 4556, 4726, 6968, 7072, 7228, 8576, 8896, 9112, 9313, 9452, 13936, 14144, 14456, 14807, 17792, 18224, 18626, 18904, 27872, 28288, 28912, 29614, 30719, 36448, 37252, 37808, 55744, 57824, 59228, 61438, 72896, 74504, 75616, 111488, 115648, 118456, 121069, 122876, 145792, 149008, 151232, 158321, 231296, 236912, 242138, 245752, 298016, 302464, 316642, 473824, 484276, 491504, 596032, 633284, 947648, 968552, 983008, 1192064, 1266568, 1895296, 1937104, 1966016, 2058173, 2533136, 3874208, 3932032, 4116346, 5066272, 7748416, 8232692, 10132544, 15496832, 16465384, 20265088, 32930768, 65861536, 131723072, 263446144]

約数ペア:

[(1, 263446144), (2, 131723072), (4, 65861536), (8, 32930768), (13, 20265088), (16, 16465384), (17, 15496832), (26, 10132544), (32, 8232692), (34, 7748416), (52, 5066272), (64, 4116346), (67, 3932032), (68, 3874208), (104, 2533136), (128, 2058173), (134, 1966016), (136, 1937104), (139, 1895296), (208, 1266568), (221, 1192064), (268, 983008), (272, 968552), (278, 947648), (416, 633284), (442, 596032), (536, 491504), (544, 484276), (556, 473824), (832, 316642), (871, 302464), (884, 298016), (1072, 245752), (1088, 242138), (1112, 236912), (1139, 231296), (1664, 158321), (1742, 151232), (1768, 149008), (1807, 145792), (2144, 122876), (2176, 121069), (2224, 118456), (2278, 115648), (2363, 111488), (3484, 75616), (3536, 74504), (3614, 72896), (4288, 61438), (4448, 59228), (4556, 57824), (4726, 55744), (6968, 37808), (7072, 37252), (7228, 36448), (8576, 30719), (8896, 29614), (9112, 28912), (9313, 28288), (9452, 27872), (13936, 18904), (14144, 18626), (14456, 18224), (14807, 17792)]