15705913912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{20021}}^1$

素因数の和:20456

約数の個数: 64

約数和(自身を含む): 33468775200

約数和(自身を除く): 17762861288

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 397, 494, 794, 988, 1588, 1976, 3176, 5161, 7543, 10322, 15086, 20021, 20644, 30172, 40042, 41288, 60344, 80084, 98059, 160168, 196118, 260273, 380399, 392236, 520546, 760798, 784472, 1041092, 1521596, 2082184, 3043192, 4945187, 7948337, 9890374, 15896674, 19780748, 31793348, 39561496, 63586696, 103328381, 151018403, 206656762, 302036806, 413313524, 604073612, 826627048, 1208147224, 1963239239, 3926478478, 7852956956, 15705913912]

約数ペア:

[(1, 15705913912), (2, 7852956956), (4, 3926478478), (8, 1963239239), (13, 1208147224), (19, 826627048), (26, 604073612), (38, 413313524), (52, 302036806), (76, 206656762), (104, 151018403), (152, 103328381), (247, 63586696), (397, 39561496), (494, 31793348), (794, 19780748), (988, 15896674), (1588, 9890374), (1976, 7948337), (3176, 4945187), (5161, 3043192), (7543, 2082184), (10322, 1521596), (15086, 1041092), (20021, 784472), (20644, 760798), (30172, 520546), (40042, 392236), (41288, 380399), (60344, 260273), (80084, 196118), (98059, 160168)]