381013808

素因数分解:

$2^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:371

約数の個数: 120

約数和(自身を含む): 904477824

約数和(自身を除く): 523464016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 61, 62, 98, 112, 122, 124, 196, 217, 244, 248, 257, 392, 427, 434, 488, 496, 514, 784, 854, 868, 976, 1028, 1519, 1708, 1736, 1799, 1891, 2056, 2989, 3038, 3416, 3472, 3598, 3782, 4112, 5978, 6076, 6832, 7196, 7564, 7967, 11956, 12152, 12593, 13237, 14392, 15128, 15677, 15934, 23912, 24304, 25186, 26474, 28784, 30256, 31354, 31868, 47824, 50372, 52948, 55769, 62708, 63736, 92659, 100744, 105896, 109739, 111538, 125416, 127472, 185318, 201488, 211792, 219478, 223076, 250832, 370636, 390383, 438956, 446152, 485987, 741272, 768173, 780766, 877912, 892304, 971974, 1482544, 1536346, 1561532, 1755824, 1943948, 3072692, 3123064, 3401909, 3887896, 6145384, 6246128, 6803818, 7775792, 12290768, 13607636, 23813363, 27215272, 47626726, 54430544, 95253452, 190506904, 381013808]

約数ペア:

[(1, 381013808), (2, 190506904), (4, 95253452), (7, 54430544), (8, 47626726), (14, 27215272), (16, 23813363), (28, 13607636), (31, 12290768), (49, 7775792), (56, 6803818), (61, 6246128), (62, 6145384), (98, 3887896), (112, 3401909), (122, 3123064), (124, 3072692), (196, 1943948), (217, 1755824), (244, 1561532), (248, 1536346), (257, 1482544), (392, 971974), (427, 892304), (434, 877912), (488, 780766), (496, 768173), (514, 741272), (784, 485987), (854, 446152), (868, 438956), (976, 390383), (1028, 370636), (1519, 250832), (1708, 223076), (1736, 219478), (1799, 211792), (1891, 201488), (2056, 185318), (2989, 127472), (3038, 125416), (3416, 111538), (3472, 109739), (3598, 105896), (3782, 100744), (4112, 92659), (5978, 63736), (6076, 62708), (6832, 55769), (7196, 52948), (7564, 50372), (7967, 47824), (11956, 31868), (12152, 31354), (12593, 30256), (13237, 28784), (14392, 26474), (15128, 25186), (15677, 24304), (15934, 23912)]