7889868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 23063040

約数和(自身を除く): 15173172

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 131, 239, 252, 262, 393, 478, 524, 717, 786, 917, 956, 1179, 1434, 1572, 1673, 1834, 2151, 2358, 2751, 2868, 3346, 3668, 4302, 4716, 5019, 5502, 6692, 8253, 8604, 10038, 11004, 15057, 16506, 20076, 30114, 31309, 33012, 60228, 62618, 93927, 125236, 187854, 219163, 281781, 375708, 438326, 563562, 657489, 876652, 1127124, 1314978, 1972467, 2629956, 3944934, 7889868]

約数ペア:

[(1, 7889868), (2, 3944934), (3, 2629956), (4, 1972467), (6, 1314978), (7, 1127124), (9, 876652), (12, 657489), (14, 563562), (18, 438326), (21, 375708), (28, 281781), (36, 219163), (42, 187854), (63, 125236), (84, 93927), (126, 62618), (131, 60228), (239, 33012), (252, 31309), (262, 30114), (393, 20076), (478, 16506), (524, 15057), (717, 11004), (786, 10038), (917, 8604), (956, 8253), (1179, 6692), (1434, 5502), (1572, 5019), (1673, 4716), (1834, 4302), (2151, 3668), (2358, 3346), (2751, 2868)]