817200670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{6421}}^1$

素因数の和:6541

約数の個数: 64

約数和(自身を含む): 1747811520

約数和(自身を除く): 930610850

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 89, 110, 130, 143, 178, 286, 445, 715, 890, 979, 1157, 1430, 1958, 2314, 4895, 5785, 6421, 9790, 11570, 12727, 12842, 25454, 32105, 63635, 64210, 70631, 83473, 127270, 141262, 166946, 353155, 417365, 571469, 706310, 834730, 918203, 1142938, 1836406, 2857345, 4591015, 5714690, 6286159, 7429097, 9182030, 12572318, 14858194, 31430795, 37145485, 62861590, 74290970, 81720067, 163440134, 408600335, 817200670]

約数ペア:

[(1, 817200670), (2, 408600335), (5, 163440134), (10, 81720067), (11, 74290970), (13, 62861590), (22, 37145485), (26, 31430795), (55, 14858194), (65, 12572318), (89, 9182030), (110, 7429097), (130, 6286159), (143, 5714690), (178, 4591015), (286, 2857345), (445, 1836406), (715, 1142938), (890, 918203), (979, 834730), (1157, 706310), (1430, 571469), (1958, 417365), (2314, 353155), (4895, 166946), (5785, 141262), (6421, 127270), (9790, 83473), (11570, 70631), (12727, 64210), (12842, 63635), (25454, 32105)]