1998798973005

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1\times {\mathrm{217229}}^1$

素因数の和:217614

約数の個数: 64

約数和(自身を含む): 3352084819200

約数和(自身を除く): 1353285846195

約数列:

[1, 3, 5, 15, 37, 59, 111, 177, 185, 281, 295, 555, 843, 885, 1405, 2183, 4215, 6549, 10397, 10915, 16579, 31191, 32745, 49737, 51985, 82895, 155955, 217229, 248685, 613423, 651687, 1086145, 1840269, 3067115, 3258435, 8037473, 9201345, 12816511, 24112419, 38449533, 40187365, 61041349, 64082555, 120562095, 183124047, 192247665, 305206745, 474210907, 915620235, 1422632721, 2258529913, 2371054535, 3601439591, 6775589739, 7113163605, 10804318773, 11292649565, 18007197955, 33877948695, 54021593865, 133253264867, 399759794601, 666266324335, 1998798973005]

約数ペア:

[(1, 1998798973005), (3, 666266324335), (5, 399759794601), (15, 133253264867), (37, 54021593865), (59, 33877948695), (111, 18007197955), (177, 11292649565), (185, 10804318773), (281, 7113163605), (295, 6775589739), (555, 3601439591), (843, 2371054535), (885, 2258529913), (1405, 1422632721), (2183, 915620235), (4215, 474210907), (6549, 305206745), (10397, 192247665), (10915, 183124047), (16579, 120562095), (31191, 64082555), (32745, 61041349), (49737, 40187365), (51985, 38449533), (82895, 24112419), (155955, 12816511), (217229, 9201345), (248685, 8037473), (613423, 3258435), (651687, 3067115), (1086145, 1840269)]