28838316

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{461}}^1$

素因数の和:882

約数の個数: 48

約数和(自身を含む): 72803808

約数和(自身を除く): 43965492

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 401, 461, 802, 922, 1203, 1383, 1604, 1844, 2406, 2766, 4812, 5213, 5532, 5993, 10426, 11986, 15639, 17979, 20852, 23972, 31278, 35958, 62556, 71916, 184861, 369722, 554583, 739444, 1109166, 2218332, 2403193, 4806386, 7209579, 9612772, 14419158, 28838316]

約数ペア:

[(1, 28838316), (2, 14419158), (3, 9612772), (4, 7209579), (6, 4806386), (12, 2403193), (13, 2218332), (26, 1109166), (39, 739444), (52, 554583), (78, 369722), (156, 184861), (401, 71916), (461, 62556), (802, 35958), (922, 31278), (1203, 23972), (1383, 20852), (1604, 17979), (1844, 15639), (2406, 11986), (2766, 10426), (4812, 5993), (5213, 5532)]