128546990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{373}}^1$

素因数の和:645

約数の個数: 64

約数和(自身を含む): 273696192

約数和(自身を除く): 145149202

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 241, 286, 373, 482, 715, 746, 1205, 1430, 1865, 2410, 2651, 3133, 3730, 4103, 4849, 5302, 6266, 8206, 9698, 13255, 15665, 20515, 24245, 26510, 31330, 34463, 41030, 48490, 53339, 68926, 89893, 106678, 172315, 179786, 266695, 344630, 449465, 533390, 898930, 988823, 1168609, 1977646, 2337218, 4944115, 5843045, 9888230, 11686090, 12854699, 25709398, 64273495, 128546990]

約数ペア:

[(1, 128546990), (2, 64273495), (5, 25709398), (10, 12854699), (11, 11686090), (13, 9888230), (22, 5843045), (26, 4944115), (55, 2337218), (65, 1977646), (110, 1168609), (130, 988823), (143, 898930), (241, 533390), (286, 449465), (373, 344630), (482, 266695), (715, 179786), (746, 172315), (1205, 106678), (1430, 89893), (1865, 68926), (2410, 53339), (2651, 48490), (3133, 41030), (3730, 34463), (4103, 31330), (4849, 26510), (5302, 24245), (6266, 20515), (8206, 15665), (9698, 13255)]