128667056

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:622

約数の個数: 80

約数和(自身を含む): 297986880

約数和(自身を除く): 169319824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 61, 74, 112, 122, 148, 244, 259, 296, 427, 488, 509, 518, 592, 854, 976, 1018, 1036, 1708, 2036, 2072, 2257, 3416, 3563, 4072, 4144, 4514, 6832, 7126, 8144, 9028, 14252, 15799, 18056, 18833, 28504, 31049, 31598, 36112, 37666, 57008, 62098, 63196, 75332, 124196, 126392, 131831, 150664, 217343, 248392, 252784, 263662, 301328, 434686, 496784, 527324, 869372, 1054648, 1148813, 1738744, 2109296, 2297626, 3477488, 4595252, 8041691, 9190504, 16083382, 18381008, 32166764, 64333528, 128667056]

約数ペア:

[(1, 128667056), (2, 64333528), (4, 32166764), (7, 18381008), (8, 16083382), (14, 9190504), (16, 8041691), (28, 4595252), (37, 3477488), (56, 2297626), (61, 2109296), (74, 1738744), (112, 1148813), (122, 1054648), (148, 869372), (244, 527324), (259, 496784), (296, 434686), (427, 301328), (488, 263662), (509, 252784), (518, 248392), (592, 217343), (854, 150664), (976, 131831), (1018, 126392), (1036, 124196), (1708, 75332), (2036, 63196), (2072, 62098), (2257, 57008), (3416, 37666), (3563, 36112), (4072, 31598), (4144, 31049), (4514, 28504), (6832, 18833), (7126, 18056), (8144, 15799), (9028, 14252)]