819397964

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{367}}^1\times {\mathrm{659}}^1$

素因数の和:1059

約数の個数: 72

約数和(自身を含む): 1808970240

約数和(自身を除く): 989572276

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 367, 484, 659, 734, 847, 1318, 1468, 1694, 2569, 2636, 3388, 4037, 4613, 5138, 7249, 8074, 9226, 10276, 14498, 16148, 18452, 28259, 28996, 44407, 50743, 56518, 79739, 88814, 101486, 113036, 159478, 177628, 202972, 241853, 310849, 318956, 483706, 558173, 621698, 967412, 1116346, 1243396, 1692971, 2232692, 2660383, 3385942, 5320766, 6771884, 10641532, 18622681, 29264213, 37245362, 58528426, 74490724, 117056852, 204849491, 409698982, 819397964]

約数ペア:

[(1, 819397964), (2, 409698982), (4, 204849491), (7, 117056852), (11, 74490724), (14, 58528426), (22, 37245362), (28, 29264213), (44, 18622681), (77, 10641532), (121, 6771884), (154, 5320766), (242, 3385942), (308, 2660383), (367, 2232692), (484, 1692971), (659, 1243396), (734, 1116346), (847, 967412), (1318, 621698), (1468, 558173), (1694, 483706), (2569, 318956), (2636, 310849), (3388, 241853), (4037, 202972), (4613, 177628), (5138, 159478), (7249, 113036), (8074, 101486), (9226, 88814), (10276, 79739), (14498, 56518), (16148, 50743), (18452, 44407), (28259, 28996)]