90219558

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1481}}^1$

素因数の和:1581

約数の個数: 64

約数和(自身を含む): 215115264

約数和(自身を除く): 124895706

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 71, 78, 142, 143, 213, 286, 426, 429, 781, 858, 923, 1481, 1562, 1846, 2343, 2769, 2962, 4443, 4686, 5538, 8886, 10153, 16291, 19253, 20306, 30459, 32582, 38506, 48873, 57759, 60918, 97746, 105151, 115518, 210302, 211783, 315453, 423566, 630906, 635349, 1156661, 1270698, 1366963, 2313322, 2733926, 3469983, 4100889, 6939966, 8201778, 15036593, 30073186, 45109779, 90219558]

約数ペア:

[(1, 90219558), (2, 45109779), (3, 30073186), (6, 15036593), (11, 8201778), (13, 6939966), (22, 4100889), (26, 3469983), (33, 2733926), (39, 2313322), (66, 1366963), (71, 1270698), (78, 1156661), (142, 635349), (143, 630906), (213, 423566), (286, 315453), (426, 211783), (429, 210302), (781, 115518), (858, 105151), (923, 97746), (1481, 60918), (1562, 57759), (1846, 48873), (2343, 38506), (2769, 32582), (2962, 30459), (4443, 20306), (4686, 19253), (5538, 16291), (8886, 10153)]