291214976

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:258

約数の個数: 128

約数和(自身を含む): 672873600

約数和(自身を除く): 381658624

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 61, 64, 76, 104, 122, 128, 151, 152, 208, 244, 247, 302, 304, 416, 488, 494, 604, 608, 793, 832, 976, 988, 1159, 1208, 1216, 1586, 1664, 1952, 1963, 1976, 2318, 2416, 2432, 2869, 3172, 3904, 3926, 3952, 4636, 4832, 5738, 6344, 7808, 7852, 7904, 9211, 9272, 9664, 11476, 12688, 15067, 15704, 15808, 18422, 18544, 19328, 22952, 25376, 30134, 31408, 31616, 36844, 37088, 37297, 45904, 50752, 60268, 62816, 73688, 74176, 74594, 91808, 101504, 119743, 120536, 125632, 147376, 148352, 149188, 175009, 183616, 239486, 241072, 251264, 294752, 298376, 350018, 367232, 478972, 482144, 589504, 596752, 700036, 957944, 964288, 1179008, 1193504, 1400072, 1915888, 1928576, 2275117, 2387008, 2800144, 3831776, 4550234, 4774016, 5600288, 7663552, 9100468, 11200576, 15327104, 18200936, 22401152, 36401872, 72803744, 145607488, 291214976]

約数ペア:

[(1, 291214976), (2, 145607488), (4, 72803744), (8, 36401872), (13, 22401152), (16, 18200936), (19, 15327104), (26, 11200576), (32, 9100468), (38, 7663552), (52, 5600288), (61, 4774016), (64, 4550234), (76, 3831776), (104, 2800144), (122, 2387008), (128, 2275117), (151, 1928576), (152, 1915888), (208, 1400072), (244, 1193504), (247, 1179008), (302, 964288), (304, 957944), (416, 700036), (488, 596752), (494, 589504), (604, 482144), (608, 478972), (793, 367232), (832, 350018), (976, 298376), (988, 294752), (1159, 251264), (1208, 241072), (1216, 239486), (1586, 183616), (1664, 175009), (1952, 149188), (1963, 148352), (1976, 147376), (2318, 125632), (2416, 120536), (2432, 119743), (2869, 101504), (3172, 91808), (3904, 74594), (3926, 74176), (3952, 73688), (4636, 62816), (4832, 60268), (5738, 50752), (6344, 45904), (7808, 37297), (7852, 37088), (7904, 36844), (9211, 31616), (9272, 31408), (9664, 30134), (11476, 25376), (12688, 22952), (15067, 19328), (15704, 18544), (15808, 18422)]