213720516

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{113}}^1\times {\mathrm{491}}^1$

素因数の和:721

約数の個数: 72

約数和(自身を含む): 551232864

約数和(自身を除く): 337512348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 113, 214, 226, 321, 339, 428, 452, 491, 642, 678, 963, 982, 1017, 1284, 1356, 1473, 1926, 1964, 2034, 2946, 3852, 4068, 4419, 5892, 8838, 12091, 17676, 24182, 36273, 48364, 52537, 55483, 72546, 105074, 108819, 110966, 145092, 157611, 166449, 210148, 217638, 221932, 315222, 332898, 435276, 472833, 499347, 630444, 665796, 945666, 998694, 1891332, 1997388, 5936681, 11873362, 17810043, 23746724, 35620086, 53430129, 71240172, 106860258, 213720516]

約数ペア:

[(1, 213720516), (2, 106860258), (3, 71240172), (4, 53430129), (6, 35620086), (9, 23746724), (12, 17810043), (18, 11873362), (36, 5936681), (107, 1997388), (113, 1891332), (214, 998694), (226, 945666), (321, 665796), (339, 630444), (428, 499347), (452, 472833), (491, 435276), (642, 332898), (678, 315222), (963, 221932), (982, 217638), (1017, 210148), (1284, 166449), (1356, 157611), (1473, 145092), (1926, 110966), (1964, 108819), (2034, 105074), (2946, 72546), (3852, 55483), (4068, 52537), (4419, 48364), (5892, 36273), (8838, 24182), (12091, 17676)]