251019704

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 518616000

約数和(自身を除く): 267596296

約数列:

[1, 2, 4, 8, 13, 26, 52, 97, 104, 149, 167, 194, 298, 334, 388, 596, 668, 776, 1192, 1261, 1336, 1937, 2171, 2522, 3874, 4342, 5044, 7748, 8684, 10088, 14453, 15496, 16199, 17368, 24883, 28906, 32398, 49766, 57812, 64796, 99532, 115624, 129592, 187889, 199064, 210587, 323479, 375778, 421174, 646958, 751556, 842348, 1293916, 1503112, 1684696, 2413651, 2587832, 4827302, 9654604, 19309208, 31377463, 62754926, 125509852, 251019704]

約数ペア:

[(1, 251019704), (2, 125509852), (4, 62754926), (8, 31377463), (13, 19309208), (26, 9654604), (52, 4827302), (97, 2587832), (104, 2413651), (149, 1684696), (167, 1503112), (194, 1293916), (298, 842348), (334, 751556), (388, 646958), (596, 421174), (668, 375778), (776, 323479), (1192, 210587), (1261, 199064), (1336, 187889), (1937, 129592), (2171, 115624), (2522, 99532), (3874, 64796), (4342, 57812), (5044, 49766), (7748, 32398), (8684, 28906), (10088, 24883), (14453, 17368), (15496, 16199)]