28197390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4253}}^1$

素因数の和:4293

約数の個数: 64

約数和(自身を含む): 77184576

約数和(自身を除く): 48987186

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 4253, 6630, 8506, 12759, 21265, 25518, 42530, 55289, 63795, 72301, 110578, 127590, 144602, 165867, 216903, 276445, 331734, 361505, 433806, 552890, 723010, 829335, 939913, 1084515, 1658670, 1879826, 2169030, 2819739, 4699565, 5639478, 9399130, 14098695, 28197390]

約数ペア:

[(1, 28197390), (2, 14098695), (3, 9399130), (5, 5639478), (6, 4699565), (10, 2819739), (13, 2169030), (15, 1879826), (17, 1658670), (26, 1084515), (30, 939913), (34, 829335), (39, 723010), (51, 552890), (65, 433806), (78, 361505), (85, 331734), (102, 276445), (130, 216903), (170, 165867), (195, 144602), (221, 127590), (255, 110578), (390, 72301), (442, 63795), (510, 55289), (663, 42530), (1105, 25518), (1326, 21265), (2210, 12759), (3315, 8506), (4253, 6630)]