70291221

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:386

約数の個数: 64

約数和(自身を含む): 127733760

約数和(自身を除く): 57442539

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 89, 91, 143, 231, 263, 267, 273, 429, 623, 789, 979, 1001, 1157, 1841, 1869, 2893, 2937, 3003, 3419, 3471, 5523, 6853, 8099, 8679, 10257, 12727, 20251, 20559, 23407, 23933, 24297, 37609, 38181, 60753, 70221, 71799, 89089, 112827, 163849, 257477, 263263, 267267, 304291, 491547, 772431, 789789, 912873, 1802339, 2130037, 3347201, 5407017, 6390111, 10041603, 23430407, 70291221]

約数ペア:

[(1, 70291221), (3, 23430407), (7, 10041603), (11, 6390111), (13, 5407017), (21, 3347201), (33, 2130037), (39, 1802339), (77, 912873), (89, 789789), (91, 772431), (143, 491547), (231, 304291), (263, 267267), (267, 263263), (273, 257477), (429, 163849), (623, 112827), (789, 89089), (979, 71799), (1001, 70221), (1157, 60753), (1841, 38181), (1869, 37609), (2893, 24297), (2937, 23933), (3003, 23407), (3419, 20559), (3471, 20251), (5523, 12727), (6853, 10257), (8099, 8679)]