211397784

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:465

約数の個数: 128

約数和(自身を含む): 602380800

約数和(自身を除く): 390983016

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 89, 92, 104, 138, 156, 178, 184, 267, 276, 299, 312, 331, 356, 534, 552, 598, 662, 712, 897, 993, 1068, 1157, 1196, 1324, 1794, 1986, 2047, 2136, 2314, 2392, 2648, 3471, 3588, 3972, 4094, 4303, 4628, 6141, 6942, 7176, 7613, 7944, 8188, 8606, 9256, 12282, 12909, 13884, 15226, 16376, 17212, 22839, 24564, 25818, 26611, 27768, 29459, 30452, 34424, 45678, 49128, 51636, 53222, 58918, 60904, 79833, 88377, 91356, 98969, 103272, 106444, 117836, 159666, 176754, 182712, 197938, 212888, 235672, 296907, 319332, 353508, 382967, 395876, 593814, 638664, 677557, 707016, 765934, 791752, 1148901, 1187628, 1355114, 1531868, 2032671, 2297802, 2375256, 2710228, 3063736, 4065342, 4595604, 5420456, 8130684, 8808241, 9191208, 16261368, 17616482, 26424723, 35232964, 52849446, 70465928, 105698892, 211397784]

約数ペア:

[(1, 211397784), (2, 105698892), (3, 70465928), (4, 52849446), (6, 35232964), (8, 26424723), (12, 17616482), (13, 16261368), (23, 9191208), (24, 8808241), (26, 8130684), (39, 5420456), (46, 4595604), (52, 4065342), (69, 3063736), (78, 2710228), (89, 2375256), (92, 2297802), (104, 2032671), (138, 1531868), (156, 1355114), (178, 1187628), (184, 1148901), (267, 791752), (276, 765934), (299, 707016), (312, 677557), (331, 638664), (356, 593814), (534, 395876), (552, 382967), (598, 353508), (662, 319332), (712, 296907), (897, 235672), (993, 212888), (1068, 197938), (1157, 182712), (1196, 176754), (1324, 159666), (1794, 117836), (1986, 106444), (2047, 103272), (2136, 98969), (2314, 91356), (2392, 88377), (2648, 79833), (3471, 60904), (3588, 58918), (3972, 53222), (4094, 51636), (4303, 49128), (4628, 45678), (6141, 34424), (6942, 30452), (7176, 29459), (7613, 27768), (7944, 26611), (8188, 25818), (8606, 24564), (9256, 22839), (12282, 17212), (12909, 16376), (13884, 15226)]