87443746

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 156764160

約数和(自身を除く): 69320414

約数列:

[1, 2, 13, 23, 26, 31, 46, 53, 62, 89, 106, 178, 299, 403, 598, 689, 713, 806, 1157, 1219, 1378, 1426, 1643, 2047, 2314, 2438, 2759, 3286, 4094, 4717, 5518, 9269, 9434, 15847, 18538, 21359, 26611, 31694, 35867, 37789, 42718, 53222, 61321, 63457, 71734, 75578, 108491, 122642, 126914, 146227, 216982, 292454, 491257, 824941, 982514, 1410383, 1649882, 1900951, 2820766, 3363221, 3801902, 6726442, 43721873, 87443746]

約数ペア:

[(1, 87443746), (2, 43721873), (13, 6726442), (23, 3801902), (26, 3363221), (31, 2820766), (46, 1900951), (53, 1649882), (62, 1410383), (89, 982514), (106, 824941), (178, 491257), (299, 292454), (403, 216982), (598, 146227), (689, 126914), (713, 122642), (806, 108491), (1157, 75578), (1219, 71734), (1378, 63457), (1426, 61321), (1643, 53222), (2047, 42718), (2314, 37789), (2438, 35867), (2759, 31694), (3286, 26611), (4094, 21359), (4717, 18538), (5518, 15847), (9269, 9434)]