161968312

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1327}}^1$

素因数の和:1436

約数の個数: 64

約数和(自身を含む): 353779200

約数和(自身を除く): 191810888

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 73, 76, 88, 146, 152, 209, 292, 418, 584, 803, 836, 1327, 1387, 1606, 1672, 2654, 2774, 3212, 5308, 5548, 6424, 10616, 11096, 14597, 15257, 25213, 29194, 30514, 50426, 58388, 61028, 96871, 100852, 116776, 122056, 193742, 201704, 277343, 387484, 554686, 774968, 1065581, 1109372, 1840549, 2131162, 2218744, 3681098, 4262324, 7362196, 8524648, 14724392, 20246039, 40492078, 80984156, 161968312]

約数ペア:

[(1, 161968312), (2, 80984156), (4, 40492078), (8, 20246039), (11, 14724392), (19, 8524648), (22, 7362196), (38, 4262324), (44, 3681098), (73, 2218744), (76, 2131162), (88, 1840549), (146, 1109372), (152, 1065581), (209, 774968), (292, 554686), (418, 387484), (584, 277343), (803, 201704), (836, 193742), (1327, 122056), (1387, 116776), (1606, 100852), (1672, 96871), (2654, 61028), (2774, 58388), (3212, 50426), (5308, 30514), (5548, 29194), (6424, 25213), (10616, 15257), (11096, 14597)]