90728838

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4349}}^1$

素因数の和:4437

約数の個数: 48

約数和(自身を含む): 210366000

約数和(自身を除く): 119637162

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 61, 114, 122, 171, 183, 342, 366, 549, 1098, 1159, 2318, 3477, 4349, 6954, 8698, 10431, 13047, 20862, 26094, 39141, 78282, 82631, 165262, 247893, 265289, 495786, 530578, 743679, 795867, 1487358, 1591734, 2387601, 4775202, 5040491, 10080982, 15121473, 30242946, 45364419, 90728838]

約数ペア:

[(1, 90728838), (2, 45364419), (3, 30242946), (6, 15121473), (9, 10080982), (18, 5040491), (19, 4775202), (38, 2387601), (57, 1591734), (61, 1487358), (114, 795867), (122, 743679), (171, 530578), (183, 495786), (342, 265289), (366, 247893), (549, 165262), (1098, 82631), (1159, 78282), (2318, 39141), (3477, 26094), (4349, 20862), (6954, 13047), (8698, 10431)]