128791908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{9643}}^1$

素因数の和:9713

約数の個数: 72

約数和(自身を含む): 379124928

約数和(自身を除く): 250333020

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 53, 63, 84, 106, 126, 159, 212, 252, 318, 371, 477, 636, 742, 954, 1113, 1484, 1908, 2226, 3339, 4452, 6678, 9643, 13356, 19286, 28929, 38572, 57858, 67501, 86787, 115716, 135002, 173574, 202503, 270004, 347148, 405006, 511079, 607509, 810012, 1022158, 1215018, 1533237, 2044316, 2430036, 3066474, 3577553, 4599711, 6132948, 7155106, 9199422, 10732659, 14310212, 18398844, 21465318, 32197977, 42930636, 64395954, 128791908]

約数ペア:

[(1, 128791908), (2, 64395954), (3, 42930636), (4, 32197977), (6, 21465318), (7, 18398844), (9, 14310212), (12, 10732659), (14, 9199422), (18, 7155106), (21, 6132948), (28, 4599711), (36, 3577553), (42, 3066474), (53, 2430036), (63, 2044316), (84, 1533237), (106, 1215018), (126, 1022158), (159, 810012), (212, 607509), (252, 511079), (318, 405006), (371, 347148), (477, 270004), (636, 202503), (742, 173574), (954, 135002), (1113, 115716), (1484, 86787), (1908, 67501), (2226, 57858), (3339, 38572), (4452, 28929), (6678, 19286), (9643, 13356)]