215214344

素因数分解:

$2^3\times {\mathrm{53}}^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 420689220

約数和(自身を除く): 205474876

約数列:

[1, 2, 4, 8, 53, 61, 106, 122, 157, 212, 244, 314, 424, 488, 628, 1256, 2809, 3233, 5618, 6466, 8321, 9577, 11236, 12932, 16642, 19154, 22472, 25864, 33284, 38308, 66568, 76616, 171349, 342698, 441013, 507581, 685396, 882026, 1015162, 1370792, 1764052, 2030324, 3528104, 4060648, 26901793, 53803586, 107607172, 215214344]

約数ペア:

[(1, 215214344), (2, 107607172), (4, 53803586), (8, 26901793), (53, 4060648), (61, 3528104), (106, 2030324), (122, 1764052), (157, 1370792), (212, 1015162), (244, 882026), (314, 685396), (424, 507581), (488, 441013), (628, 342698), (1256, 171349), (2809, 76616), (3233, 66568), (5618, 38308), (6466, 33284), (8321, 25864), (9577, 22472), (11236, 19154), (12932, 16642)]