213404718

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 458970624

約数和(自身を除く): 245565906

約数列:

[1, 2, 3, 6, 23, 46, 61, 69, 101, 122, 138, 183, 202, 251, 303, 366, 502, 606, 753, 1403, 1506, 2323, 2806, 4209, 4646, 5773, 6161, 6969, 8418, 11546, 12322, 13938, 15311, 17319, 18483, 25351, 30622, 34638, 36966, 45933, 50702, 76053, 91866, 141703, 152106, 283406, 352153, 425109, 583073, 704306, 850218, 1056459, 1166146, 1546411, 1749219, 2112918, 3092822, 3498438, 4639233, 9278466, 35567453, 71134906, 106702359, 213404718]

約数ペア:

[(1, 213404718), (2, 106702359), (3, 71134906), (6, 35567453), (23, 9278466), (46, 4639233), (61, 3498438), (69, 3092822), (101, 2112918), (122, 1749219), (138, 1546411), (183, 1166146), (202, 1056459), (251, 850218), (303, 704306), (366, 583073), (502, 425109), (606, 352153), (753, 283406), (1403, 152106), (1506, 141703), (2323, 91866), (2806, 76053), (4209, 50702), (4646, 45933), (5773, 36966), (6161, 34638), (6969, 30622), (8418, 25351), (11546, 18483), (12322, 17319), (13938, 15311)]