42353890

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{509}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 78323760

約数和(自身を除く): 35969870

約数列:

[1, 2, 5, 10, 53, 106, 157, 265, 314, 509, 530, 785, 1018, 1570, 2545, 5090, 8321, 16642, 26977, 41605, 53954, 79913, 83210, 134885, 159826, 269770, 399565, 799130, 4235389, 8470778, 21176945, 42353890]

約数ペア:

[(1, 42353890), (2, 21176945), (5, 8470778), (10, 4235389), (53, 799130), (106, 399565), (157, 269770), (265, 159826), (314, 134885), (509, 83210), (530, 79913), (785, 53954), (1018, 41605), (1570, 26977), (2545, 16642), (5090, 8321)]