161289856

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:322

約数の個数: 128

約数和(自身を含む): 403724160

約数和(自身を除く): 242434304

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 61, 64, 91, 104, 112, 122, 128, 182, 208, 224, 227, 244, 364, 416, 427, 448, 454, 488, 728, 793, 832, 854, 896, 908, 976, 1456, 1586, 1589, 1664, 1708, 1816, 1952, 2912, 2951, 3172, 3178, 3416, 3632, 3904, 5551, 5824, 5902, 6344, 6356, 6832, 7264, 7808, 11102, 11648, 11804, 12688, 12712, 13664, 13847, 14528, 20657, 22204, 23608, 25376, 25424, 27328, 27694, 29056, 41314, 44408, 47216, 50752, 50848, 54656, 55388, 82628, 88816, 94432, 96929, 101504, 101696, 110776, 165256, 177632, 180011, 188864, 193858, 203392, 221552, 330512, 355264, 360022, 377728, 387716, 443104, 661024, 710528, 720044, 775432, 886208, 1260077, 1322048, 1440088, 1550864, 1772416, 2520154, 2644096, 2880176, 3101728, 5040308, 5760352, 6203456, 10080616, 11520704, 12406912, 20161232, 23041408, 40322464, 80644928, 161289856]

約数ペア:

[(1, 161289856), (2, 80644928), (4, 40322464), (7, 23041408), (8, 20161232), (13, 12406912), (14, 11520704), (16, 10080616), (26, 6203456), (28, 5760352), (32, 5040308), (52, 3101728), (56, 2880176), (61, 2644096), (64, 2520154), (91, 1772416), (104, 1550864), (112, 1440088), (122, 1322048), (128, 1260077), (182, 886208), (208, 775432), (224, 720044), (227, 710528), (244, 661024), (364, 443104), (416, 387716), (427, 377728), (448, 360022), (454, 355264), (488, 330512), (728, 221552), (793, 203392), (832, 193858), (854, 188864), (896, 180011), (908, 177632), (976, 165256), (1456, 110776), (1586, 101696), (1589, 101504), (1664, 96929), (1708, 94432), (1816, 88816), (1952, 82628), (2912, 55388), (2951, 54656), (3172, 50848), (3178, 50752), (3416, 47216), (3632, 44408), (3904, 41314), (5551, 29056), (5824, 27694), (5902, 27328), (6344, 25424), (6356, 25376), (6832, 23608), (7264, 22204), (7808, 20657), (11102, 14528), (11648, 13847), (11804, 13664), (12688, 12712)]