161287884

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{6373}}^1$

素因数の和:6439

約数の個数: 72

約数和(自身を含む): 440825840

約数和(自身を除く): 279537956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 57, 74, 76, 111, 114, 148, 171, 222, 228, 333, 342, 444, 666, 684, 703, 1332, 1406, 2109, 2812, 4218, 6327, 6373, 8436, 12654, 12746, 19119, 25308, 25492, 38238, 57357, 76476, 114714, 121087, 229428, 235801, 242174, 363261, 471602, 484348, 707403, 726522, 943204, 1089783, 1414806, 1453044, 2122209, 2179566, 2829612, 4244418, 4359132, 4480219, 8488836, 8960438, 13440657, 17920876, 26881314, 40321971, 53762628, 80643942, 161287884]

約数ペア:

[(1, 161287884), (2, 80643942), (3, 53762628), (4, 40321971), (6, 26881314), (9, 17920876), (12, 13440657), (18, 8960438), (19, 8488836), (36, 4480219), (37, 4359132), (38, 4244418), (57, 2829612), (74, 2179566), (76, 2122209), (111, 1453044), (114, 1414806), (148, 1089783), (171, 943204), (222, 726522), (228, 707403), (333, 484348), (342, 471602), (444, 363261), (666, 242174), (684, 235801), (703, 229428), (1332, 121087), (1406, 114714), (2109, 76476), (2812, 57357), (4218, 38238), (6327, 25492), (6373, 25308), (8436, 19119), (12654, 12746)]