28228330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 59276448

約数和(自身を除く): 31048118

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 53, 65, 85, 106, 130, 170, 221, 241, 265, 442, 482, 530, 689, 901, 1105, 1205, 1378, 1802, 2210, 2410, 3133, 3445, 4097, 4505, 6266, 6890, 8194, 9010, 11713, 12773, 15665, 20485, 23426, 25546, 31330, 40970, 53261, 58565, 63865, 106522, 117130, 127730, 166049, 217141, 266305, 332098, 434282, 532610, 830245, 1085705, 1660490, 2171410, 2822833, 5645666, 14114165, 28228330]

約数ペア:

[(1, 28228330), (2, 14114165), (5, 5645666), (10, 2822833), (13, 2171410), (17, 1660490), (26, 1085705), (34, 830245), (53, 532610), (65, 434282), (85, 332098), (106, 266305), (130, 217141), (170, 166049), (221, 127730), (241, 117130), (265, 106522), (442, 63865), (482, 58565), (530, 53261), (689, 40970), (901, 31330), (1105, 25546), (1205, 23426), (1378, 20485), (1802, 15665), (2210, 12773), (2410, 11713), (3133, 9010), (3445, 8194), (4097, 6890), (4505, 6266)]