28305403984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{28571}}^1$

素因数の和:29036

約数の個数: 80

約数和(自身を含む): 64580491584

約数和(自身を除く): 36275087600

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 433, 572, 866, 1144, 1732, 2288, 3464, 4763, 5629, 6928, 9526, 11258, 19052, 22516, 28571, 38104, 45032, 57142, 61919, 76208, 90064, 114284, 123838, 228568, 247676, 314281, 371423, 457136, 495352, 628562, 742846, 990704, 1257124, 1485692, 2514248, 2971384, 4085653, 5028496, 5942768, 8171306, 12371243, 16342612, 24742486, 32685224, 49484972, 65370448, 98969944, 136083673, 160826159, 197939888, 272167346, 321652318, 544334692, 643304636, 1088669384, 1286609272, 1769087749, 2177338768, 2573218544, 3538175498, 7076350996, 14152701992, 28305403984]

約数ペア:

[(1, 28305403984), (2, 14152701992), (4, 7076350996), (8, 3538175498), (11, 2573218544), (13, 2177338768), (16, 1769087749), (22, 1286609272), (26, 1088669384), (44, 643304636), (52, 544334692), (88, 321652318), (104, 272167346), (143, 197939888), (176, 160826159), (208, 136083673), (286, 98969944), (433, 65370448), (572, 49484972), (866, 32685224), (1144, 24742486), (1732, 16342612), (2288, 12371243), (3464, 8171306), (4763, 5942768), (5629, 5028496), (6928, 4085653), (9526, 2971384), (11258, 2514248), (19052, 1485692), (22516, 1257124), (28571, 990704), (38104, 742846), (45032, 628562), (57142, 495352), (61919, 457136), (76208, 371423), (90064, 314281), (114284, 247676), (123838, 228568)]