161593328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1319}}^1$

素因数の和:1390

約数の個数: 80

約数和(自身を含む): 366643200

約数和(自身を除く): 205049872

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 403, 494, 496, 589, 806, 988, 1178, 1319, 1612, 1976, 2356, 2638, 3224, 3952, 4712, 5276, 6448, 7657, 9424, 10552, 15314, 17147, 21104, 25061, 30628, 34294, 40889, 50122, 61256, 68588, 81778, 100244, 122512, 137176, 163556, 200488, 274352, 325793, 327112, 400976, 531557, 651586, 654224, 776891, 1063114, 1303172, 1553782, 2126228, 2606344, 3107564, 4252456, 5212688, 6215128, 8504912, 10099583, 12430256, 20199166, 40398332, 80796664, 161593328]

約数ペア:

[(1, 161593328), (2, 80796664), (4, 40398332), (8, 20199166), (13, 12430256), (16, 10099583), (19, 8504912), (26, 6215128), (31, 5212688), (38, 4252456), (52, 3107564), (62, 2606344), (76, 2126228), (104, 1553782), (124, 1303172), (152, 1063114), (208, 776891), (247, 654224), (248, 651586), (304, 531557), (403, 400976), (494, 327112), (496, 325793), (589, 274352), (806, 200488), (988, 163556), (1178, 137176), (1319, 122512), (1612, 100244), (1976, 81778), (2356, 68588), (2638, 61256), (3224, 50122), (3952, 40889), (4712, 34294), (5276, 30628), (6448, 25061), (7657, 21104), (9424, 17147), (10552, 15314)]