81114797872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{383}}^1\times {\mathrm{4027}}^1$

素因数の和:4610

約数の個数: 80

約数和(自身を含む): 166863605760

約数和(自身を除く): 85748807888

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 173, 304, 346, 383, 692, 766, 1384, 1532, 2768, 3064, 3287, 4027, 6128, 6574, 7277, 8054, 13148, 14554, 16108, 26296, 29108, 32216, 52592, 58216, 64432, 66259, 76513, 116432, 132518, 153026, 265036, 306052, 530072, 612104, 696671, 1060144, 1224208, 1258921, 1393342, 1542341, 2517842, 2786684, 3084682, 5035684, 5573368, 6169364, 10071368, 11146736, 12338728, 13236749, 20142736, 24677456, 26473498, 29304479, 52946996, 58608958, 105893992, 117217916, 211787984, 234435832, 266824993, 468871664, 533649986, 1067299972, 2134599944, 4269199888, 5069674867, 10139349734, 20278699468, 40557398936, 81114797872]

約数ペア:

[(1, 81114797872), (2, 40557398936), (4, 20278699468), (8, 10139349734), (16, 5069674867), (19, 4269199888), (38, 2134599944), (76, 1067299972), (152, 533649986), (173, 468871664), (304, 266824993), (346, 234435832), (383, 211787984), (692, 117217916), (766, 105893992), (1384, 58608958), (1532, 52946996), (2768, 29304479), (3064, 26473498), (3287, 24677456), (4027, 20142736), (6128, 13236749), (6574, 12338728), (7277, 11146736), (8054, 10071368), (13148, 6169364), (14554, 5573368), (16108, 5035684), (26296, 3084682), (29108, 2786684), (32216, 2517842), (52592, 1542341), (58216, 1393342), (64432, 1258921), (66259, 1224208), (76513, 1060144), (116432, 696671), (132518, 612104), (153026, 530072), (265036, 306052)]